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ãŠã©ã«ããŒããããã¹ã¯ççšãæåŠããããã«3人ã®å®¢ã远ãåºãããŸãããäžåŒãã§è¿œãåºããã人æ°ã¯ãã®4åãã5ãåŒããæ°ã«çããã§ããäžåŒãã§è¿œãåºããã人æ°ã®3åããã»ãŒã«åãå·¡ã身äœçæŽåã§è¿œãåºãããŸãããåèšã§50人ããŠã©ã«ããŒããã远ãåºãããå Žåãä»ã®çç±ã§è¿œãåºããã人æ°ã¯äœäººã§ããããïŒ
|
ãŸããåé¡ãæŽçããŠåŒã«ãã倿°ãèšå®ããŸãããã
1. ãã¹ã¯ãççšãæåŠãããã远ãåºããã人æ°ã¯ \(3\) 人ã
2. äžåŒãã§è¿œãåºããã人æ°ã \(x\) ãšãããšãäžåŒãã§è¿œãåºããã人æ°ã¯æ¬¡ã®ããã«è¡šããŸãïŒ
\[
x = 4 \cdot 3 - 5 = 12 - 5 = 7
\]
3. ã»ãŒã«åãå·¡ã身äœçæŽåã§è¿œãåºããã人æ°ã¯ \(3x\) ãªã®ã§ã次ã®ããã«ãªããŸãïŒ
\[
3x = 3 \cdot 7 = 21
\]
4. åèšã§è¿œãåºããã人æ°ã¯æ¬¡ã®ããã«è¡šããŸãïŒ
\[
3 + x + 3x + y = 50
\]
ããã§ \(y\) ã¯ä»ã®çç±ã§è¿œãåºããã人æ°ã§ãã
ãã®åŒã«ä»£å
¥ãããšãå·ŠèŸºã¯æ¬¡ã®ããã«ãªããŸãïŒ
\[
3 + 7 + 21 + y = 50
\]
ãããèšç®ããŸãïŒ
\[
31 + y = 50
\]
ãããè§£ããšïŒ
\[
y = 50 - 31 = 19
\]
ãããã£ãŠãä»ã®çç±ã§è¿œãåºããã人æ°ã¯ \(19\) 人ã§ãã
æçµçãªåçã¯ïŒ
#### 19
| 19
|
44人ã®é«æ ¡çã«è³ãæäžããå¿
èŠããããŸããåçåŸã«ã¯20ãã«ã®åçãã¬ãŒã ãèŽãããŸããåãã¬ãŒã ã«ã¯è¿œå ã§ããŽã®ãšããã³ã°ãå¿
èŠã§ããã¬ãŒã 1ã€ãããã®ã³ã¹ãã20%å¢å ããŸãã2人ã®çåŸã«ã¯ããã«5ãã«ã®ãã³ãèŽãããŸãã4åã®1ã®çåŸã圹å¡ã§ããã圌ãã«ã¯å12ãã«ã®ã³ãŒããå¿
èŠã§ãã髿 ¡çãžã®èŽãç©ã«ãããè²»çšã¯åèšãããã«ãªããŸããïŒ
|
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å ±ãæŽçããŸãããã
1. **åçãã¬ãŒã ã®ã³ã¹ãã®èšç®**
- ãã¬ãŒã 1ã€ã®åºæ¬ã³ã¹ã: 20ãã«
- 20%ã®å¢å : 20ãã« Ã 0.20 = 4ãã«
- ãã¬ãŒã 1ã€ã®æ°ããã³ã¹ã: 20ãã« + 4ãã« = 24ãã«
- çåŸæ°: 44人
- åçãã¬ãŒã ã®åèšã³ã¹ã: 44人 à 24ãã« = 1056ãã«
2. **远å ã®ãã³ã®ã³ã¹ãã®èšç®**
- ãã³1ã€ã®ã³ã¹ã: 5ãã«
- ãã³ãèŽãçåŸæ°: 2人
- ãã³ã®åèšã³ã¹ã: 2人 à 5ãã« = 10ãã«
3. **圹å¡ãžã®ã³ãŒãã®ã³ã¹ãã®èšç®**
- çåŸã®4åã®1ã¯åœ¹å¡ã§ããããã圹å¡ã®æ°: 44人 ÷ 4 = 11人
- ã³ãŒã1ã€ã®ã³ã¹ã: 12ãã«
- ã³ãŒãã®åèšã³ã¹ã: 11人 à 12ãã« = 132ãã«
ãããã®ã³ã¹ããåèšããŸãïŒ
- åçãã¬ãŒã ã®ã³ã¹ã: 1056ãã«
- ãã³ã®ã³ã¹ã: 10ãã«
- ã³ãŒãã®ã³ã¹ã: 132ãã«
åèšã³ã¹ã: 1056ãã« + 10ãã« + 132ãã« = 1198ãã«
ãããã£ãŠã髿 ¡çãžã®èŽãç©ã«ãããè²»çšã®åèšã¯1198ãã«ã§ãã
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#### 1198
| 1,198
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|
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ãŸãã20%ã®ç¯çŽé¡ãèšç®ããŸãã
20%ã¯0.20ãšããŠèšç®ããŸãã®ã§ã
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åèšè²»çš = åžå ŽäŸ¡æ Œ - ç¯çŽé¡
åèšè²»çš = 400ãã« - 80ãã« = 320ãã«
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| 320
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éææ¥: 14è¶³ + åææ¥: 28è¶³ + æ¥ææ¥: 14è¶³ = 56è¶³
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40äžãã« - 16äžãã« = 24äžãã«
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| 240,000
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1ã€ã®çŸ€ãïŒ15é ïŒããã®ãã«ã¯ã¯:
15é à 1ããã°ã©ã = 15ããã°ã©ã
æ®ãã®ååã15é ããããã¡ãããã¯æ¯æ¥2ããã°ã©ã ã®ãã«ã¯ãåŸãŸãã
ãã1ã€ã®çŸ€ãïŒ15é ïŒããã®ãã«ã¯ã¯:
15é à 2ããã°ã©ã = 30ããã°ã©ã
ãããã£ãŠãã¡ã¢ãªãŒã¯æ¯æ¥éãããã«ã¯ã®åèšã¯:
15ããã°ã©ã + 30ããã°ã©ã = 45ããã°ã©ã
ãã£ãŠãã¡ã¢ãªãŒã¯æ¯æ¥åèšã§45ããã°ã©ã ã®ãã«ã¯ãéããããšãã§ããŸããåçã¯45ã§ãã®ã§ã####45ãšèšå
¥ããŸãã
| 45
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šå¡ãé»è²ã奜ãã§ããé»è²ã奜ããªçåŸã¯äœäººããŸããïŒ
|
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次ã«ãæ®ãã®çåŸã¯40人 - 20人 = 20人ã§ãããã®20人ã®ãã¡ã®4åã®1ãç·è²ã奜ãã§ãã
4åã®1ã®èšç®ããããšã20人 ÷ 4 = 5人ãç·è²ã奜ãã§ãã
ãããã£ãŠãç·è²ã奜ããªçåŸãåŒããšãé»è²ã奜ããªçåŸã¯20人 - 5人 = 15人ã§ãã
ãããã£ãŠãé»è²ã奜ããªçåŸã¯15人ã§ããåçã¯ã####15ããšãªããŸãã
| 15
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|
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åç©«ãããªã³ãŽã®æ° = å£²äž / 1åãããã®äŸ¡æ Œ
åç©«ãããªã³ãŽã®æ° = 56ãã« / 4ãã«/å = 14å
次ã«ãç«ææ¥ã«åç©«ãããªã³ãŽã®æ°ã¯åé¡æã«æèšãããŠããŸãã®ã§12åã§ãã
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æ°Žææ¥ã«åç©«ãããªã³ãŽã®æ° = 12å * 2 = 24å
ãããŸã§ã®æ
å ±ããŸãšãããšã
- æææ¥ïŒ14å
- ç«ææ¥ïŒ12å
- æ°Žææ¥ïŒ24å
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åèš = æææ¥ã®ãªã³ãŽ + ç«ææ¥ã®ãªã³ãŽ + æ°Žææ¥ã®ãªã³ãŽ
åèš = 14å + 12å + 24å = 50å
ãããã£ãŠãã«ãŒã·ãŒã3æ¥éã§åèšåç©«ãããªã³ãŽã®æ°ã¯50åã§ãã
åç: 50 #### 50
| 50
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|
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1çµã®éŽäžã¯2è¶³ãªã®ã§ã10çµã®éŽäžã¯æ¬¡ã®ããã«èšç®ãããŸãïŒ
10çµ Ã 2è¶³/çµ = 20è¶³
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20è¶³ïŒçµã®éŽäžïŒ + 15è¶³ïŒã°ãã°ãã®éŽäžïŒ = 35è¶³
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50è¶³ - 35è¶³ = 15è¶³
ã€ãŸãããªã³ãžãŒã¯15è¶³ã®éŽäžãèŠèœãšããŠããŸããåçã¯####15ã§ãã
| 15
|
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23 + 42 = 65
次ã«ã圌女ã®å
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65 - 44 = 21
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åçã¯ã####21ã§ãã
| 21
|
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|
ãŸãããã§ãŠããã€ãã³ã°ããè·é¢ãèšç®ããŸãã
ãã§ãŠã®éåºŠã¯æé14ããã¡ãŒãã«ã§ããã€ãã³ã°ã®æéã¯8æéã§ãã®ã§ã次ã®ããã«èšç®ããŸãïŒ
ãã§ãŠã®è·é¢ = é床 à æé = 14 km/h à 8 h = 112 km
次ã«ãã¯ããšã®ãã€ãã³ã°ã®è·é¢ãèšç®ããŸãã
ã¯ããšã®éåºŠã¯æé9ããã¡ãŒãã«ã§ã5æéåŸã«æ¢ãŸããŸããã®ã§ã次ã®ããã«èšç®ããŸãïŒ
ã¯ããšã®è·é¢ = é床 à æé = 9 km/h à 5 h = 45 km
次ã«ããã§ãŠãšã¯ããšã®è·é¢ã®å·®ãèšç®ããŸãïŒ
è·é¢ã®å·® = ãã§ãŠã®è·é¢ - ã¯ããšã®è·é¢ = 112 km - 45 km = 67 km
ãããã£ãŠããã§ãŠã¯ã¯ããšãã67ããã¡ãŒãã«é ããŸã§ãã€ãã³ã°ããŸããã
æçµçãªåçã¯67ã§ãã####67
| 67
|
ã¢ã¯ã»ã«ã¯é貚ã50æãé貚ã80ææã£ãŠããŸãã圌ã¯å人ã®ã¢ã³ãã蚪ããŸããã¢ã³ãã¯ã¢ã¯ã»ã«ã®æã£ãŠããé貚ã®2åãé貚ã¯40æå€ãæã£ãŠããŸããäºäººãåãããŠæã£ãŠããããœã®ç·æ°ã¯ããã€ã§ããïŒ
|
ãŸããã¢ã¯ã»ã«ãæã£ãŠããé貚ãšéè²šã®ææ°ã確èªããŸãã
- ã¢ã¯ã»ã«ã®é貚: 50æ
- ã¢ã¯ã»ã«ã®é貚: 80æ
次ã«ãã¢ã³ããæã£ãŠããé貚ãšéè²šã®ææ°ãèšç®ããŸãã
- ã¢ã³ãã®é貚 = ã¢ã¯ã»ã«ã®é貚ã®2å = 50æ à 2 = 100æ
- ã¢ã³ãã®é貚 = ã¢ã¯ã»ã«ã®é貚 + 40æ = 80æ + 40æ = 120æ
次ã«ãäºäººãåãããŠæã£ãŠããé貚ãšé貚ã®ç·ææ°ãèšç®ããŸãã
- åèšã®é貚 = ã¢ã¯ã»ã«ã®é貚 + ã¢ã³ãã®é貚 = 50æ + 100æ = 150æ
- åèšã®é貚 = ã¢ã¯ã»ã«ã®é貚 + ã¢ã³ãã®é貚 = 80æ + 120æ = 200æ
æåŸã«ãé貚ãšé貚ã®åèšãæ±ããŸãã
- åèš = åèšã®é貚 + åèšã®é貚 = 150æ + 200æ = 350æ
ãããã£ãŠãäºäººãåãããŠæã£ãŠããããœã®ç·æ°ã¯350æã§ãã
åçã¯ã####350ããšãªããŸãã
| 350
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¥ããããã«18ãã«ã䜿ããŸããåãããã£ãŒã¯ã¬ã¢ããŒãã12ã«ããä¿æã§ããŸãã圌女ã¯ã¬ã¢ããŒãã1ã«ãã1ãã«ã§è²©å£²ããŸããã¬ã¢ããŒãã¹ã¿ã³ããéããŠããéã圌女ã¯å¹³åããŠ1æéã«4ã«ããã売ããŸããããªãŒãã¬ã¢ããŒãããã¹ãŠå£²ãåã£ãå Žåã圌女ãã¬ã¢ããŒãã¹ã¿ã³ããéå¶ããã®ã«è²»ãããæéããããã©ããããã®å©çãåŸãã§ããããïŒ
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ãŸããããªãŒãäœãã¬ã¢ããŒãã®ç·ã«ããæ°ãèšç®ããŸãã
1. 1ãããã£ãŒã¯12ã«ããã®ã¬ã¢ããŒããä¿æã§ããã®ã§ã3ãããã£ãŒåã§ã¯:
\[
12 \text{ã«ãã/ãããã£ãŒ} \times 3 \text{ãããã£ãŒ} = 36 \text{ã«ãã}
\]
次ã«ã圌女ãã¬ã¢ããŒãã販売ããããšã§åŸãåå
¥ãèšç®ããŸããã¬ã¢ããŒãã¯1ã«ãã1ãã«ã§è²©å£²ãããã®ã§ã36ã«ãããå
šãŠå£²ãåããš:
\[
36 \text{ã«ãã} \times 1 \text{ãã«/ã«ãã} = 36 \text{ãã«}
\]
次ã«ãããªãŒã®å©çãèšç®ããŸããåœŒå¥³ãææã«äœ¿ã£ãéé¡ã¯18ãã«ã§ãã®ã§ãå©çã¯æ¬¡ã®ããã«èšç®ãããŸã:
\[
36 \text{ãã«} - 18 \text{ãã«} = 18 \text{ãã«}
\]
次ã«ã圌女ãã¬ã¢ããŒãã売ãã®ã«ãããæéãèšç®ããŸãã圌女ã¯1æéã«4ã«ããã売ãã®ã§ã36ã«ããã売ãåãã«ã¯:
\[
\frac{36 \text{ã«ãã}}{4 \text{ã«ãã/æé}} = 9 \text{æé}
\]
æåŸã«ãæéãããã®å©çãèšç®ããŸããç·å©ç18ãã«ãéå¶æé9æéã§å²ããŸã:
\[
\frac{18 \text{ãã«}}{9 \text{æé}} = 2 \text{ãã«/æé}
\]
以äžãããããªãŒãã¬ã¢ããŒãã¹ã¿ã³ããéå¶ããã®ã«è²»ãããæéãããã®å©çã¯2ãã«ã§ãããããã£ãŠãæçµçãªåçã¯ä»¥äžã®éãã§ãã
#### 2
| 2
|
ã©ã¶ãŒæ°ã¯èªåã®åå°ã®3/5ã売ããæ®ã12.8ãã¯ã¿ãŒã«ãæ®ããŸãããæåã¯ã©ããããã®åå°ãæã£ãŠããã§ããããïŒ
|
ã©ã¶ãŒæ°ãæã£ãŠããåå°ã®é¢ç©ã \( x \) ãã¯ã¿ãŒã«ãšããŸãã圌ã¯åå°ã® \( \frac{3}{5} \) ã売ã£ãã®ã§ãæ®ã£ãåå°ã¯ \( x - \frac{3}{5}x \) ã§ãã
æ®ã£ãé¢ç©ã¯ \( 12.8 \) ãã¯ã¿ãŒã«ãªã®ã§ãåŒã¯ä»¥äžã®ããã«ãªããŸãïŒ
\[
x - \frac{3}{5}x = 12.8
\]
ãããæŽçãããšïŒ
\[
\frac{2}{5}x = 12.8
\]
䞡蟺㫠\( \frac{5}{2} \) ãæã㊠\( x \) ãæ±ããŸãïŒ
\[
x = 12.8 \times \frac{5}{2}
\]
èšç®ãããšïŒ
\[
x = 12.8 \times 2.5 = 32
\]
ãããã£ãŠãã©ã¶ãŒæ°ãæåã«æã£ãŠããåå°ã®é¢ç©ã¯ \( 32 \) ãã¯ã¿ãŒã«ã§ãã
åçã¯####32
| 32
|
åå±å£ã«ã¯52人ã®ã¡ã³ããŒãããããã®ååãç·ã®åã§ååã女ã®åã§ããåå±å£ã¯å¥³ã®åã¡ã³ããŒã ãã§å
¬æŒãè¡ãããšã«ããŸãããããããå
¬æŒåœæ¥ãåºæŒè
ã®åæ°ããã¹ã®æ
éã§æ¥å Žã§ããŸããã§ãããããã§ãåå±å£ã®å
ç3人ã圌女ãã¡ãšäžç·ã«æãããšã«ããŸãããå
¬æŒã§ã¯åèšäœäººãæã£ãã§ããããïŒ
|
åå±å£ã«ã¯52人ã®ã¡ã³ããŒãããŠããã®ååãç·ã®åãååã女ã®åã§ãããããã£ãŠã女ã®åã¡ã³ããŒã¯:
52 ÷ 2 = 26人
å
¬æŒåœæ¥ãåºæŒè
ã®åæ°ãæ¥å Žã§ããªãã£ããããæ¥å Žã§ãã女ã®åã¡ã³ããŒã®äººæ°ã¯:
26 ÷ 2 = 13人
ãŸããåå±å£ã®å
çã3人åå ããã®ã§ãæçµçã«å
¬æŒã§æã£ã人æ°ã¯:
13 + 3 = 16人
ãããã£ãŠãå
¬æŒã§åèšäœäººãæã£ããã¯16人ã§ãã
æåŸã«åçãšãªãæ°åãã####ãã®åŸã«èšããŸãã
#### 16
| 16
|
ãŠã£ã«ãœã³ã鱿«ã«è»ã䜿ãããã«ã¯ãæ°åŠã®æçžŸã80以äžã§ããå¿
èŠããããŸããåœŒã®æ°åŠã®æçžŸã¯5åã®ãã¹ãã®å¹³åç¹ã§èšç®ãããŸãããããã®ãã¹ãã§åœŒãåãåã£ãç¹æ°ã¯ã65ã94ã81ã86ããããŠ74ã§ãã圌ã®çŸåšã®æ°åŠã®æçžŸã¯ããã€ã§ããïŒ
|
ãŠã£ã«ãœã³ã®æ°åŠã®æçžŸãèšç®ããããã«ã¯ã圌ãåãåã£ã5åã®ãã¹ãã®ç¹æ°ã®åèšãèšç®ããããããã¹ãã®åæ°ïŒ5åïŒã§å²ããŸãã
ç¹æ°ã¯ä»¥äžã®éãã§ãïŒ
- 65
- 94
- 81
- 86
- 74
ãããã®åèšãèšç®ããŸãã
65 + 94 + 81 + 86 + 74 = 400
次ã«ããã®åèšããã¹ãã®åæ°ã§å²ããŸãïŒ
400 ÷ 5 = 80
ãããã£ãŠããŠã£ã«ãœã³ã®çŸåšã®æ°åŠã®æçžŸã¯80ã§ãã
åçã¯ã####80ãã§ãã
| 80
|
æ¶ããŽã ã1ã€2ãã«ãéçã1æ¬3ãã«ã§ããæ¶ããŽã 6ã€ãšéç8æ¬ã¯åèšã§ãããã«ãªããŸããïŒ
|
æ¶ããŽã 6ã€ã®äŸ¡æ Œã¯ã2ãã« Ã 6 = 12ãã«ã§ãã
éç8æ¬ã®äŸ¡æ Œã¯ã3ãã« Ã 8 = 24ãã«ã§ãã
åèšã¯ã12ãã« + 24ãã« = 36ãã«ã§ãã
ãããã£ãŠãæ¶ããŽã 6ã€ãšéç8æ¬ã¯åèšã§36ãã«ã«ãªããŸãã
åç㯠36 #### ã§ãã
| 36
|
ãžã§ãŒã ãºã¯ãªãã£ã¹ããåæåž«ã®æå®€ãžã®äŒèšãå±ãã圹å²ãæ
ã£ãŠããŸãã圌ããã³ããœã³å
çã«66éã®äŒèšãå±ãããŠãŒå
çã«ã¯ãã®1/3ã®éã®äŒèšãå±ããå Žåãåèšã§åœŒã¯äœéã®äŒèšãå±ããã§ããããïŒ
|
ãžã§ãŒã ãºããã³ããœã³å
çã«å±ããäŒèšã¯66éã§ãããŠãŒå
çã«ã¯ãã®1/3ã®éã®äŒèšãå±ããŸããã®ã§ã
ãŠãŒå
çã«å±ããäŒèšã®æ° = 66é ÷ 3 = 22é
ãããã£ãŠããã³ããœã³å
çãšãŠãŒå
çã®åèšã®äŒèšã®æ°ã¯ã
åèš = 66é + 22é = 88é
ãã£ãŠããžã§ãŒã ãºãå±ããåèšã®äŒèšã®æ°ã¯88éã§ãã
åç㯠#### 88 ã§ãã
| 88
|
ãããããšããŒã·ã£ã¯ã«ãŒããã«ã«è¡ããŸãããããã«ã¯9ã€ã®ã¢ãã©ã¯ã·ã§ã³ããããŸããåã¢ãã©ã¯ã·ã§ã³ã¯2æã®ãã±ãããå¿
èŠã§ã1æ2ãã«ã§ãããŸãã30ãã«ã§9åã®ä¹ãç©ã«ä¹ãããªã¹ããã³ãã賌å
¥ã§ããŸããããããããªã¹ããã³ãã賌å
¥ããããŒã·ã£ããã±ããã賌å
¥ããŠã圌ãã9ã€ã®ã¢ãã©ã¯ã·ã§ã³ãã¹ãŠã«ä¹ã£ãå Žåãããããã¯ãããç¯çŽã§ããã§ããããïŒ
|
ãŸããããŒã·ã£ããã±ããã賌å
¥ããå Žåã®è²»çšãèšç®ããŸãã
åã¢ãã©ã¯ã·ã§ã³ã¯2æã®ãã±ãããå¿
èŠã§ããã±ãã1æã®äŸ¡æ Œã¯2ãã«ã§ãããããã£ãŠã1ã€ã®ã¢ãã©ã¯ã·ã§ã³ã«ãããè²»çšã¯æ¬¡ã®ããã«ãªããŸãïŒ
\[
2 \text{ãã±ãã} \times 2 \text{ãã«/ãã±ãã} = 4 \text{ãã«}
\]
9ã€ã®ã¢ãã©ã¯ã·ã§ã³å
šãŠã«ä¹ãå Žåã®è²»çšã¯ïŒ
\[
9 \text{ã¢ãã©ã¯ã·ã§ã³} \times 4 \text{ãã«/ã¢ãã©ã¯ã·ã§ã³} = 36 \text{ãã«}
\]
次ã«ãããããããªã¹ããã³ãã賌å
¥ããå Žåã®è²»çšã¯30ãã«ã§ããããããããªã¹ããã³ãã賌å
¥ããããŒã·ã£ããã±ããã賌å
¥ããå Žåãäºäººã®è²»çšã¯ä»¥äžã®ããã«ãªããŸãïŒ
- ããããã®è²»çšïŒ30ãã«
- ããŒã·ã£ã®è²»çšïŒ36ãã«
ãããããç¯çŽã§ããéé¡ã¯ãããŒã·ã£ããã±ããã賌å
¥ããå Žåã®è²»çšãšãããããæ¯æã£ããªã¹ããã³ãã®è²»çšã®éãã§ãïŒ
\[
36 \text{ãã«} - 30 \text{ãã«} = 6 \text{ãã«}
\]
ãããã£ãŠãããããã¯6ãã«ç¯çŽã§ããããšã«ãªããŸããæçµçãªåçã¯ä»¥äžã®éãã§ãïŒ
#### 6
| 6
|
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ãã§ããŸããå®¶æçšã«6ã€ãåéçšã«4ã€ãå
ççšã«2ã€ãåèšã§12ã®ãã¬ãŒã³ããå
ãäºå®ã§ãã圌女ã¯ãªãã³ã144ã€ã³ãæã£ãŠãããåãã¬ãŒã³ãã«ãªãã³ã®è¶çµã³ãã€ããããšèããŠããŸããåã®ããã®è¶çµã³ã«äœ¿ãããªãã³ã®é·ãã¯äœã€ã³ãã«ãªããŸããïŒ
|
ã¢ãã«ã¯åèšã§12åã®ãã¬ãŒã³ããå
ãäºå®ã§ãããŸãã圌女ã¯ãªãã³ã144ã€ã³ãæã£ãŠããŸãã
åãã¬ãŒã³ãã®è¶çµã³ã«äœ¿ãããªãã³ã®é·ããæ±ããããã«ã¯ãç·ãªãã³ã®é·ãããã¬ãŒã³ãã®æ°ã§å²ããŸãã
èšç®åŒã¯æ¬¡ã®éãã§ãïŒ
䜿çšãããªãã³ã®é·ã = ç·ãªãã³ã®é·ã ÷ ãã¬ãŒã³ãã®æ°
䜿çšãããªãã³ã®é·ã = 144ã€ã³ã ÷ 12å = 12ã€ã³ã
ãããã£ãŠãåã®ããã®è¶çµã³ã«äœ¿ãããªãã³ã®é·ãã¯12ã€ã³ãã§ãã
åçã¯ã12ã€ã³ãã§ãã®ã§ã####12
| 12
|
ããã£ãšãµã ãæã£ãŠããã¢ã€ã¹ãã£ã³ãã£ãŒã®æ¯çã¯5:6ã§ãã圌ããåãããŠæã£ãŠããã¢ã€ã¹ãã£ã³ãã£ãŒã®ç·æ°ã165æ¬ã®å Žåããµã ã¯ããã£ããäœæ¬å€ãæã£ãŠããŸããïŒ
|
ããã£ãšãµã ãæã£ãŠããã¢ã€ã¹ãã£ã³ãã£ãŒã®æ¯çã5:6ã§ãããç·æ°ã165æ¬ã§ããããšããããŸããããããæã£ãŠããã¢ã€ã¹ãã£ã³ãã£ãŒã®æ¬æ°ãæ±ããŸãã
æ¯çãåèšãããšã5 + 6 = 11 ã§ãããã®11ãåºã«ããŠãã¢ã€ã¹ãã£ã³ãã£ãŒã®ç·æ°165æ¬ãæ¯çã«å¿ããŠåããŸãã
ããã£ãæã€ã¢ã€ã¹ãã£ã³ãã£ãŒã®æ¬æ°ã¯:
\[
\frac{5}{11} \times 165 = 75
\]
ãµã ãæã€ã¢ã€ã¹ãã£ã³ãã£ãŒã®æ¬æ°ã¯:
\[
\frac{6}{11} \times 165 = 90
\]
次ã«ããµã ãããã£ããäœæ¬å€ãæã£ãŠããããèšç®ããŸãã
\[
90 - 75 = 15
\]
ãããã£ãŠããµã ã¯ããã£ãã15æ¬å€ãæã£ãŠããŸãã
åçã¯: ####15
| 15
|
ãã£ã ã¯ã±ãŒãã«ãã¬ãã®å¥çŽãè§£é€ããŠãã¹ããªãŒãã³ã°ãµãŒãã¹ã«åãæ¿ããããšã«ããŸãããNetflixãæé¡10ãã«ã§å¥çŽããŸããHuluãšDisney Plusã¯éåžžæé¡10ãã«ãã€ã§ããããã³ãã«ããããšã§20%ç¯çŽã§ããŸãã60ãã«ã®ã±ãŒãã«ããã±ãŒãžãè§£çŽããããšã§ã圌ã¯ã©ãã ãç¯çŽã§ããã§ããããïŒ
|
ãŸãããã£ã ãã±ãŒãã«ãã¬ããè§£çŽããŠåŸãããéé¡ãæ±ããŸãã圌ã¯60ãã«ã®ã±ãŒãã«ããã±ãŒãžãè§£çŽããŸãã®ã§ã60ãã«ã®ç¯çŽãã§ããŸãã
次ã«ãã¹ããªãŒãã³ã°ãµãŒãã¹ã®ã³ã¹ããèšç®ããŸãã
- Netflix: 10ãã«
- Hulu: 10ãã«
- Disney Plus: 10ãã«
éåžžãHuluãšDisney Plusãå¥ã
ã«å¥çŽããå Žåãåèšã¯10ãã« + 10ãã« = 20ãã«ã«ãªããŸãããããããã³ãã«ããããšã§20%ã®å²åŒãé©çšãããŸãã
20ãã«ã®20%ã¯æ¬¡ã®ããã«èšç®ããŸãã
\[
20 \times 0.20 = 4
\]
ãããã£ãŠããã³ãã«ã®ã³ã¹ãã¯
\[
20 - 4 = 16 \text{ãã«}
\]
次ã«ãã¹ããªãŒãã³ã°ãµãŒãã¹å
šäœã®ã³ã¹ããèšç®ããŸãã
\[
10 \text{ãã« (Netflix)} + 16 \text{ãã« (HuluãšDisney Plusã®ãã³ãã«)} = 26 \text{ãã«}
\]
ãã£ã ãã¹ããªãŒãã³ã°ãµãŒãã¹ã«æ¯æãæé¡æéã¯26ãã«ã§ãã
次ã«ã圌ã®ç·ç¯çŽé¡ãèšç®ããŸãã
\[
60 \text{ãã« (ã±ãŒãã«ãã¬ã)} - 26 \text{ãã« (ã¹ããªãŒãã³ã°ãµãŒãã¹)} = 34 \text{ãã«}
\]
ãããã£ãŠããã£ã ãã¹ããªãŒãã³ã°ãµãŒãã¹ã«åãæ¿ããããšã§åŸãããç¯çŽé¡ã¯34ãã«ã§ãã
æçµçãªåçã¯ã####34ãã§ãã
| 34
|
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šäœã®ãã¡ãç·šéã«è²»ãããæéã®å²åã¯äœããŒã»ã³ãã§ããïŒ
|
ãã£ãã«ã®äœæ¥æéãèšç®ããŸãã
1. æ²ãæžãã®ã«ãããæé: 4æé
2. é²é³ã«ãããæé: 4æé ÷ 2 = 2æé
3. ç·šéã«ãããæé: 90å = 90 ÷ 60 = 1.5æé
ç·äœæ¥æé = æ²ãæžãæé + é²é³ããæé + ç·šéããæé
ç·äœæ¥æé = 4æé + 2æé + 1.5æé = 7.5æé
ç·šéã«ãããæéã®å²å = (ç·šéæé ÷ ç·äœæ¥æé) à 100
ç·šéã«ãããæéã®å²å = (1.5æé ÷ 7.5æé) à 100 = 20%
ãããã£ãŠãç·šéã«è²»ãããæéã®å²åã¯20%ã§ãã
çãã¯####20
| 20
|
ãšãªã«ã¯ãã¬ã³ã¿ã€ã³ã«ãŒãã20æäœããŸããã圌女ã®ç¶èŠªã15æãã€å
¥ã£ãæ¢è£œã®ãã¬ã³ã¿ã€ã³ã«ãŒãã®ç®±ã2ã€æã£ãŠããŸããã圌女ã¯ã¯ã©ã¹ã¡ãŒãã«24æãå®¶æã«5æé
ããå®¶æãå人ãã17æåãåããŸããããšãªã«ã¯ä»ãäœæã®ãã¬ã³ã¿ã€ã³ã«ãŒããæã£ãŠããŸããïŒ
|
ãšãªã«ãæåã«äœã£ããã¬ã³ã¿ã€ã³ã«ãŒãã®ææ°ã¯20æã§ãã圌女ã®ç¶èŠªãæã£ãŠããæ¢è£œã®ãã¬ã³ã¿ã€ã³ã«ãŒãã¯ã15æãã€å
¥ã£ãç®±ã2ã€ãªã®ã§ãåèšã§30æïŒ15æ à 2ç®±ïŒã§ãã
次ã«ããšãªã«ãé
ã£ãã«ãŒãã®ææ°ãèšç®ããŸãã圌女ã¯ã¯ã©ã¹ã¡ãŒãã«24æãå®¶æã«5æé
ã£ãã®ã§ãåèšã§é
ã£ãã«ãŒãã¯24æ + 5æ = 29æã§ãã
圌女ã¯å®¶æãå人ããã17æåãåããŸããã
æçµçãªã«ãŒãã®ææ°ãèšç®ããããã«ã以äžã®åŒã䜿ããŸãã
åãã®ã«ãŒãæ° + ç¶èŠªããããã£ãã«ãŒã - é
ã£ãã«ãŒã + åãåã£ãã«ãŒã
ãããæ°åŒã«ãããšæ¬¡ã®ããã«ãªããŸãã
20 + 30 - 29 + 17
èšç®ãããšã
20 + 30 = 50
50 - 29 = 21
21 + 17 = 38
ãããã£ãŠããšãªã«ã¯ä»ã38æã®ãã¬ã³ã¿ã€ã³ã«ãŒããæã£ãŠããŸãã
åçã¯####38ã§ãã
| 38
|
ãžã§ããŒã¯12åãã®ãã¶ãåããŠããŸãããã«ã«ã¯3åã®1ããããŒã¯ã«ã¯4åã®1ããããŸããããžã§ããŒã2åãé£ã¹ãå Žåãæ®ãã¯äœåãã§ããïŒ
|
æåã«ãããã¶ã¯12åãã§ãã
1. ãã«ã«ã¯3åã®1ã®ãã¶ããããŸããã
- 3åã®1㯠\( \frac{1}{3} \times 12 = 4 \) åãã§ãã
2. ããŒã¯ã«ã¯4åã®1ã®ãã¶ããããŸããã
- 4åã®1㯠\( \frac{1}{4} \times 12 = 3 \) åãã§ãã
3. ãã«ãšããŒã¯ã«ããããã¶ã®åèšã¯ã
- \( 4 + 3 = 7 \) åãã§ãã
4. ãžã§ããŒã2åãé£ã¹ãã®ã§ãæ®ãã®ãã¶ãèšç®ããŸãã
- æ®ãã®ãã¶ã¯ \( 12 - 7 - 2 = 3 \) åãã§ãã
ãããã£ãŠãæ®ãã¯3åãã§ãã
åçã¯####3ã§ãã
| 3
|
ããŒã¯ã®éè¡å£åº§ã«ã¯50ãã«ãããŸãã圌ã¯ä»äºã§1æ¥ã«10ãã«çšŒããŸãããã圌ã300ãã«ã®èªè»¢è»ãè²·ãããå ŽåãããŒã¯ã¯äœæ¥éãéã貯ããå¿
èŠããããŸããïŒ
|
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èŠãªéé¡ã¯300ãã«ã§ããçŸåšã圌ã®å£åº§ã«ã¯50ãã«ãããŸãã®ã§ãå¿
èŠãªéé¡ããçŸåšã®é¡ãåŒããŸãã
300ãã« - 50ãã« = 250ãã«
ããŒã¯ã¯1æ¥ã«10ãã«çšŒãã®ã§ã250ãã«ã貯ããã®ã«å¿
èŠãªæ¥æ°ãèšç®ããŸãã
250ã㫠÷ 10ãã«/æ¥ = 25æ¥
ãããã£ãŠãããŒã¯ã¯èªè»¢è»ãè²·ãããã«25æ¥éãéã貯ããå¿
èŠããããŸããåçã¯ã####25ãã§ãã
| 25
|
ãã³ã·ãŒã¯å€ãæšé ã®å°å±ãæé€ããŠããŸããã圌女ã¯ã¯ã¢ã90å¹èŠã€ããã¯ã¢ã®1/3ã®æ°ã®ã€ã¹ããèŠã€ããŸããããŸããã€ã¹ãã®æ°ã®2åãã12ãåŒããæ°ã®ã«ã¡ã ã·ãèŠã€ããŸããã圌女ã¯åèšã§äœå¹ã®è«ãæ°ããŸãããïŒ
|
ãŸãããã³ã·ãŒãèŠã€ããã¯ã¢ã®æ°ã¯90å¹ã§ãã
次ã«ãã¯ã¢ã®1/3ã®æ°ã®ã€ã¹ããèŠã€ããã®ã§ãã€ã¹ãã®æ°ã¯ä»¥äžã®ããã«èšç®ã§ããŸãã
\[
\text{ã€ã¹ãã®æ°} = \frac{90}{3} = 30 \text{å¹}
\]
次ã«ãã€ã¹ãã®æ°ã®2åãã12ãåŒããæ°ã®ã«ã¡ã ã·ã®æ°ãèšç®ããŸãã
ã€ã¹ãã®æ°ã®2åã¯ã
\[
30 \times 2 = 60
\]
ãããã12ãåŒããšã
\[
60 - 12 = 48 \text{å¹}
\]
ãã³ã·ãŒãèŠã€ããè«ã®åèšã¯ãã¯ã¢ãã€ã¹ããã«ã¡ã ã·ã®æ°ã®åèšã§ãã
\[
\text{åèš} = 90 + 30 + 48 = 168
\]
ãããã£ãŠããã³ã·ãŒãåèšã§èŠã€ããè«ã®æ°ã¯168å¹ã§ãã
æçµçãªåçã¯ã####168ã§ãã
| 168
|
ãšãªã«ã30æ³ã§ããã¹ã¯ãšãªã«ãã5æ³å¹Žäžã§ãã¢ãªã¹ã¯ãã¹ãã7æ³å¹Žäžã§ããã¢ãªã¹ãšãšãªã«ã®å¹Žéœ¢å·®ã¯äœæ³ã§ããïŒ
|
ãšãªã«ã®å¹Žéœ¢ã¯30æ³ã§ãã
ãã¹ã¯ãšãªã«ãã5æ³å¹Žäžãªã®ã§ããã¹ã®å¹Žéœ¢ã¯30 + 5 = 35æ³ã§ãã
ã¢ãªã¹ã¯ãã¹ãã7æ³å¹Žäžãªã®ã§ãã¢ãªã¹ã®å¹Žéœ¢ã¯35 + 7 = 42æ³ã§ãã
ãšãªã«ãšã¢ãªã¹ã®å¹Žéœ¢å·®ã¯ãã¢ãªã¹ã®å¹Žéœ¢ãããšãªã«ã®å¹Žéœ¢ãåŒããŠæ±ããŸãã
42 - 30 = 12æ³ã§ãã
ãããã£ãŠãã¢ãªã¹ãšãšãªã«ã®å¹Žéœ¢å·®ã¯12æ³ã§ãã
çã: ####12
| 12
|
ãžã§ã³ã¯çä¹³ãã°ã©ã¹2æ¯é£²ã¿ãŸãããçä¹³1ãªã³ã¹ããã3ã«ããªãŒã§ãã圌ã¯äœã«ããªãŒæåããŸãããïŒ
|
ãŸããã°ã©ã¹1æ¯ã®çä¹³ã®å®¹éããªã³ã¹ã§èããå¿
èŠããããŸããäžè¬çã«ã1æ¯ã¯çŽ8ãªã³ã¹ã§ãããããã£ãŠããžã§ã³ã飲ãã çä¹³ã®ç·éã¯æ¬¡ã®ããã«ãªããŸãã
2æ¯ Ã 8ãªã³ã¹/æ¯ = 16ãªã³ã¹
次ã«ãçä¹³1ãªã³ã¹ãããã®ã«ããªãŒã䜿ã£ãŠããžã§ã³ã®ã«ããªãŒæåéãèšç®ããŸãã
16ãªã³ã¹ à 3ã«ããªãŒ/ãªã³ã¹ = 48ã«ããªãŒ
ãããã£ãŠããžã§ã³ã¯48ã«ããªãŒæåããŸãããåçã¯ä»¥äžã®éãã§ãã
#### 48
| 48
|
建èšäœæ¥å¡ã¯æ¯æ4é±éãé±ã«6æ¥åããŸãã1æ¥ã«50ãã«ã®çµŠæããããå Žåã1幎éã§åœŒã¯ããã皌ãã§ããããïŒ
|
建èšäœæ¥å¡ã1æ¥ã«åŸã絊æã¯50ãã«ã§ããé±ã«6æ¥åãã®ã§ãé±ã®çµŠæã¯æ¬¡ã®ããã«èšç®ã§ããŸãïŒ
\[
\text{é±ã®çµŠæ} = 50 \text{ãã«/æ¥} \times 6 \text{æ¥} = 300 \text{ãã«}
\]
1ã¶æã¯4é±éåãã®ã§ãæã®çµŠæã¯æ¬¡ã®ããã«ãªããŸãïŒ
\[
\text{æã®çµŠæ} = 300 \text{ãã«/é±} \times 4 \text{é±} = 1200 \text{ãã«}
\]
1幎ã¯12ã¶æãªã®ã§ã幎éã®çµŠæã¯æ¬¡ã®ããã«èšç®ãããŸãïŒ
\[
\text{幎éã®çµŠæ} = 1200 \text{ãã«/æ} \times 12 \text{æ} = 14400 \text{ãã«}
\]
ãããã£ãŠã建èšäœæ¥å¡ã1幎éã§çšŒãéé¡ã¯14400ãã«ã§ãã
åç: ####14400
| 14,400
|
éåžžã®ã¬ã·ãã§ã¯ãå°éºŠç²ã3ã«ãããçä¹³ã1ã«ããå¿
èŠã§ããããŒã¯ããã©ãŠããŒã4åéäœãå Žåãå°éºŠç²ã¯2ã«ããå
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èŠããããŸããïŒ
|
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èŠãªéã¯æ¬¡ã®éãã§ãïŒ
- å°éºŠç²: 3ã«ãã à 4 = 12ã«ãã
- çä¹³: 1ã«ãã à 4 = 4ã«ãã
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è¢ã®æ°ã®å·®ã¯æ¬¡ã®éãã§ãïŒ
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èŠããããŸãã
åçã¯ã#### 4
| 4
|
ãžã§ãŒã³ã¯ãããã17æ¬ã®çžæš¡æ§ããã2é ã®ã·ããŠãã36æ¬ã®çžæš¡æ§ãããã·ããŠã1é ããããŠãã®ååã®çžæš¡æ§ãããã·ããŠã1é ãæ°ããŸããããããã®ã·ããŠãã®çžæš¡æ§ã¯å¹³åããŠäœæ¬ãããŸããïŒ
|
ãŸãããžã§ãŒã³ã芳å¯ããã·ããŠãã®æ°ãšããããã®çžæš¡æ§ã®æ¬æ°ã確èªããŸãã
1. çžæš¡æ§ã17æ¬ã®ã·ããŠãã2é :
\( 17 \times 2 = 34 \)
2. çžæš¡æ§ã36æ¬ã®ã·ããŠãã1é :
\( 36 \)
3. çžæš¡æ§ã36æ¬ã®ååïŒã€ãŸã18æ¬ïŒã®ã·ããŠãã1é :
\( 18 \)
ããããåèšããŸã:
\[
34 + 36 + 18 = 88
\]
次ã«ãã·ããŠãã®ç·æ°ãèšç®ããŸã:
\[
2 + 1 + 1 = 4
\]
å¹³åçãªçžæš¡æ§ã®æ¬æ°ãæ±ããããã«ãç·çžæš¡æ§ã®æ¬æ°ãã·ããŠãã®é æ°ã§å²ããŸã:
\[
\text{å¹³å} = \frac{88}{4} = 22
\]
ãããã£ãŠãã·ããŠããã¡ã®çžæš¡æ§ã®å¹³åã¯22æ¬ã§ãã
åç: ####22
| 22
|
ãšãªãªããã¯1æ¥ã«10,000æ©ãç®æšã«ããŠããŸãã圌ã¯åŠæ ¡ãžã®åŸåŸ©ã§ç®æšã®ååã®æ©æ°ãéæããåéãšã®çãæ£æ©ã§ããã«1,000æ©ãæ©ããŸããããŸãããããã¯ãäžåšããçããžã§ã®ã³ã°ãããåŸãæ®ã2,000æ©ã ããç®æšéæã«å¿
èŠã ãšæ°ã¥ããŸããããšãªãªããã¯ãžã§ã®ã³ã°äžã«äœæ©æ©ããã§ããããïŒ
|
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10,000æ© Ã· 2 = 5,000æ©
次ã«ãåéãšã®çãæ£æ©ã§ããã«1,000æ©ãæ©ããŸããããããŸã§ã®åèšã¯ä»¥äžã®ããã«ãªããŸãã
5,000æ© + 1,000æ© = 6,000æ©
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èŠæ©æ°ãè¶³ãã°ããã§ãã
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6,000æ© + ãžã§ã®ã³ã°ã®æ©æ° = 10,000æ© - 2,000æ©
ãããæŽçãããšïŒ
6,000æ© + ãžã§ã®ã³ã°ã®æ©æ° = 8,000æ©
ãããã£ãŠããžã§ã®ã³ã°ã®æ©æ°ã¯æ¬¡ã®éãã§ãã
ãžã§ã®ã³ã°ã®æ©æ° = 8,000æ© - 6,000æ©
ãžã§ã®ã³ã°ã®æ©æ° = 2,000æ©
ãšãªãªããã¯ãžã§ã®ã³ã°äžã«2,000æ©æ©ããŸããããããã£ãŠãæçµçãªåçã¯ä»¥äžã®éãã§ãã
#### 2000
| 2,000
|
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|
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å
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1ããŒãžãããã®èªæ°ïŒ200èª
ç·èªæ° = 45ããŒãž à 200èª/ããŒãž = 9000èª
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èªã¿çµããã®ã«ãããæé = ç·èªæ° ÷ èªæžé床 = 9000èª Ã· 300èª/å = 30å
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èŠããããŸãããããŒã¯1æéïŒ60åïŒåŸã«åºçºããäºå®ã§ãã
åºçºãŸã§ã®æé = 60å - 10åïŒç©ºæž¯ãŸã§ã®æèŠæéïŒ = 50å
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åçïŒ####20
| 20
|
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- ã¿ãã£ãŒ2ãã³ã: 1.50ãã«
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次ã«ãè²æ®»ã®ããã¯ã¹ããã°ã¯1.50ãã«ã§ãã
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4 à 0.25ãã« = 1ãã«ã§ãã
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åèšéé¡:
4.50ãã« + 1.50ãã« + 1ãã« = 7ãã«
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10ãã« - 7ãã« = 3ãã«
ãããã£ãŠããµãªãŒã¯3ãã«æ®ã£ãŠããŸãã
åç: ####3
| 3
|
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|
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2. ãããšã¯å¥ã«ã2åã®äŸ¡å€ã®ããã±ãŒãž: 2 * 400ãã« = 800ãã«
ãããã®åèšã¯æ¬¡ã®éãã§ãïŒ
400ãã« + 800ãã« = 1200ãã«
次ã«ãå
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1200ãã« Ã 0.20 = 240ãã«
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1200ãã« - 240ãã« = 960ãã«
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| 1,110
|
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åçã¯ã#### 5ãã§ãã
| 5
|
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|
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50000 Ã 0.01 = 500
次ã«ãæ¿¡ããç¬ã®ãããªèããããæ¬ é¥ããããã£ã³ãã«ã®ãã¡ã®5%ã¯ãããèªäœãå±éºãªãã£ã³ãã«ã§ãããããæ¿¡ããç¬ã®ãããªèãããããã£ã³ãã«ã®æ°ãèšç®ããŸãã
50000 Ã 0.05 = 2500
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æ¿¡ããç¬ã®ãããªèããæã€ãã£ã³ãã«ãšççºãããã£ã³ãã«ã®äž¡æ¹ã®æ¡ä»¶ãæºãããã£ã³ãã«ãæ±ãããšãå©çšå¯èœãªããŒã¿ããæšå®ã§ããŸãããæ¿¡ããŠç¬ã®ãããªèããããŠççºãããã£ã³ãã«ã¯ã500åã®ççºãããã£ã³ãã«ã®5%以äžã§ãã
ãããã£ãŠãæ¿¡ããç¬ã®ãããªèããããŠççºãããã£ã³ãã«ã®æ°ã¯ä»¥äžã®ããã«èšç®ãããŸãã
500 Ã 0.05 = 25
ãã£ãŠãæ¿¡ããç¬ã®ãããªèããããŠççºãããã£ã³ãã«ã®æ°ã¯25åã§ãã
åçã¯ã####25ããšãªããŸãã
| 25
|
ããŒã·ã£ã¯30%ãªãã®ã©ãã¯ãããã©ãŠã¹ã4æéžã³ãŸãããåãã©ãŠã¹ã®å®äŸ¡ã¯20ãã«ã§ããå²åŒåŸã®ãã©ãŠã¹ã®åèšéé¡ã¯ãããã§ããïŒ
|
åãã©ãŠã¹ã®å®äŸ¡ã¯20ãã«ã§ã30%ãªãã§ãããããã£ãŠãå²åŒé¡ãèšç®ããŸãã
å²åŒé¡ = å®äŸ¡ à å²åŒç
= 20ãã« Ã 0.30 = 6ãã«
å²åŒåŸã®ãã©ãŠã¹1æã®äŸ¡æ Œã¯æ¬¡ã®ããã«ãªããŸãã
å²åŒåŸã®äŸ¡æ Œ = å®äŸ¡ - å²åŒé¡
= 20ãã« - 6ãã« = 14ãã«
ããŒã·ã£ã¯ãã©ãŠã¹ã4æéžãã ã®ã§ãåèšéé¡ã¯æ¬¡ã®ããã«èšç®ããŸãã
åèšéé¡ = å²åŒåŸã®äŸ¡æ Œ Ã ææ°
= 14ãã« Ã 4 = 56ãã«
ãããã£ãŠãå²åŒåŸã®ãã©ãŠã¹ã®åèšéé¡ã¯56ãã«ã§ãã
åç: ####56
| 56
|
ãžã§ã¢ã³ã¯å®¶æã®ææš¹åã§ãªã³ãŽãåç©«ããŠãããšãã効ãæäŒãã«æ¥ãŸããããžã§ã¢ã³ã¯äžçªèã®é«ãæšãã30åã®ãªã³ãŽããäžçªèã®äœãæšããã¯ãã®ååã®éãããããŠå¹³åçãªæšããããã«ãªã³ãŽãåç©«ããŸããããžã§ã¢ã³ã«æ¯ã¹ãŠã効ã¯äžçªèã®é«ãæšãã2åãäžçªèã®äœãæšããã¯3åã®ãªã³ãŽãåç©«ããŸããããå¹³åçãªæšããã¯ãªã³ãŽãåããŸããã§ãããå§åйãåèšã§500åã®ãªã³ãŽãåç©«ãããšãããžã§ã¢ã³ã¯å¹³åçãªæšããäœåã®ãªã³ãŽãåç©«ããã§ããããïŒ
|
ãŸãããžã§ã¢ã³ãåç©«ãããªã³ãŽã®åæ°ãèšç®ããŸãã
- äžçªèã®é«ãæšããã®ãªã³ãŽ: 30å
- äžçªèã®äœãæšããã¯ãã®ååãªã®ã§: 30 / 2 = 15å
- å¹³åçãªæšããã¯xååç©«ãããšããŸãã
ãããã£ãŠããžã§ã¢ã³ãåç©«ãããªã³ãŽã®åèšã¯æ¬¡ã®ããã«ãªããŸãã
\[
30 + 15 + x = 45 + x
\]
次ã«ã効ãåç©«ãããªã³ãŽã®åæ°ãèšç®ããŸãã
- äžçªèã®é«ãæšããã¯2åãªã®ã§: 30 * 2 = 60å
- äžçªèã®äœãæšããã¯3åãªã®ã§: 15 * 3 = 45å
- å¹³åçãªæšããã¯åããŸããã
ãããã£ãŠã効ãåç©«ãããªã³ãŽã®åèšã¯æ¬¡ã®ããã«ãªããŸãã
\[
60 + 45 + 0 = 105
\]
å§åйã®åèšåç©«éã¯ããžã§ã¢ã³ãšåйã®åèšãšããŠ500åãšäžããããŠããŸãã
ã€ãŸããæ¬¡ã®ãããªæ¹çšåŒãæãç«ã¡ãŸãã
\[
(45 + x) + 105 = 500
\]
ãããè§£ããšã
\[
45 + x + 105 = 500
\]
\[
x + 150 = 500
\]
\[
x = 500 - 150
\]
\[
x = 350
\]
ãããã£ãŠããžã§ã¢ã³ãå¹³åçãªæšããåç©«ãããªã³ãŽã®æ°ã¯350åã§ãã
æçµçãªçãã¯æ¬¡ã®éãã§ãïŒ
#### 350
| 350
|
ã©ã¯ããšããã¡ããªãŒã®çŸ€ãããããŸããé ã®æ°ã¯180ããã¶ã®æ°ã¯304ã§ããã©ã¯ãã¯ãããã2ã€ã®ãã¶ãæã¡ãããã¡ããªãŒã¯1ã€ã®ãã¶ãæã£ãŠããŸããããã¡ããªãŒã¯äœé ããŸããïŒ
|
ã©ã¯ãã®é æ°ã \( x \) ãšããããã¡ããªãŒã®é æ°ã \( y \) ãšããŸãã
äžããããæ¡ä»¶ããã以äžã®2ã€ã®åŒãç«ãŠãããšãã§ããŸãã
1. é ã®æ°ã®åŒïŒ
\[
x + y = 180
\]
2. ãã¶ã®æ°ã®åŒïŒ
\[
2x + y = 304
\]
ãŸãã1ã€ç®ã®åŒãã \( y \) ãæ±ããŸãïŒ
\[
y = 180 - x
\]
ãã® \( y \) ã2ã€ç®ã®åŒã«ä»£å
¥ããŸãïŒ
\[
2x + (180 - x) = 304
\]
ãã®åŒãæŽçããŸãïŒ
\[
2x + 180 - x = 304
\]
\[
x + 180 = 304
\]
\[
x = 304 - 180
\]
\[
x = 124
\]
次ã«ã\( y \) ãæ±ããŸãïŒ
\[
y = 180 - x = 180 - 124 = 56
\]
ãããã£ãŠãããã¡ããªãŒã®é æ°ã¯ \( 56 \) ã§ãã
æçµçãªåçã¯ïŒ
#### 56
| 56
|
ãã ã¯2é±éã«ããããšãŒãããæ
è¡ã«åºãããŸãããæåã®4æ¥éã¯æ¯æ¥200ããã¡ãŒãã«ãæ
ããæ¬¡ã®2æ¥éã§æåã®4æ¥éã®ç·è·é¢ã®30%ããé²ã¿ãŸããã§ãããæ¬¡ã®æ¥ã¯å
šãç§»åããŸããã§ããã2é±ç®ã«ã¯æ¯æ¥300ããã¡ãŒãã«ãé²ã¿ãŸããããã ã¯2é±éã®æ
è¡ã§åèšäœããã¡ãŒãã«ãç§»åããŸãããïŒ
|
ãŸãããã ã¯æåã®4æ¥éã«æ¯æ¥200ããã¡ãŒãã«ãæ
ããŸããã®ã§ãæåã®4æ¥éã®ç·è·é¢ã¯ä»¥äžã®ããã«èšç®ã§ããŸãã
æåã®4æ¥éã®è·é¢ïŒ
\( 200 \text{ km/day} \times 4 \text{ days} = 800 \text{ km} \)
次ã®2æ¥éã§ã¯ãæåã®4æ¥éã®ç·è·é¢ã®30%ããé²ãã§ããªãã®ã§ã次ã®2æ¥éã®è·é¢ã¯æ¬¡ã®ããã«èšç®ã§ããŸãã
次ã®2æ¥éã®è·é¢ïŒ
\( 800 \text{ km} \times 0.3 = 240 \text{ km} \)
ãã®æ¬¡ã®æ¥ã¯å
šãç§»åããªãããããã®æ¥ã¯è·é¢ã¯0ããã¡ãŒãã«ã§ãã
ãããŸã§ã®ç·è·é¢ã¯æ¬¡ã®ããã«èšç®ããŸãã
1é±éç®ãŸã§ã®ç·è·é¢ïŒ
\( 800 \text{ km} + 240 \text{ km} + 0 \text{ km} = 1040 \text{ km} \)
次ã«ã2é±ç®ã«ã¯æ¯æ¥300ããã¡ãŒãã«ãé²ãã ã®ã§ã2é±ç®ã®ç·è·é¢ã¯ä»¥äžã®ããã«èšç®ã§ããŸãã
2é±ç®ã®è·é¢ïŒ
\( 300 \text{ km/day} \times 7 \text{ days} = 2100 \text{ km} \)
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åèšè·é¢ïŒ
\( 1040 \text{ km} + 2100 \text{ km} = 3140 \text{ km} \)
ãããã£ãŠããã ã¯2é±éã®æ
è¡ã§åèš3140ããã¡ãŒãã«ãç§»åããŸããã
çãã¯ã####3140
| 3,140
|
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|
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次ã«ãã¶ãã¯ã®ããã«ãŒã¯ããŒã¿ãŒã®ããã«ãŒã®4åã®å€§ããã§ãã®ã§ãã¶ãã¯ã®ããã«ãŒã®å€§ããã¯æ¬¡ã®ããã«ãªããŸãïŒ
ã¶ãã¯ã®ããã«ãŒ = 4 à ããŒã¿ãŒã®ããã«ãŒ
ã¶ãã¯ã®ããã«ãŒ = 4 à 5 = 20ç«æ¹ã€ã³ã
次ã«ãã¶ãã¯ã®ããã«ãŒã¯ãã£ã¢ã·ãŒã®ããã«ãŒã®ååã®å€§ããã§ãã®ã§ããã£ã¢ã·ãŒã®ããã«ãŒã®å€§ããã¯æ¬¡ã®ããã«ãªããŸãïŒ
ãã£ã¢ã·ãŒã®ããã«ãŒ = 2 à ã¶ãã¯ã®ããã«ãŒ
ãã£ã¢ã·ãŒã®ããã«ãŒ = 2 à 20 = 40ç«æ¹ã€ã³ã
ãããã£ãŠããã£ã¢ã·ãŒã®ããã«ãŒã¯40ç«æ¹ã€ã³ãã§ãã
çã㯠#### 40 ã§ãã
| 40
|
ã¹ã¿ã³ãªãŒã¯æšé«10,000ãã£ãŒãã®å±±ã®åŽé¢ã«ç«ã£ãŠããŸããããçªé¢šã§ãã±ããããæ«ãé£ã°ãããäžã®å²©æ£ãŸã§4,000ãã£ãŒãèœäžããŸãããã¹ã¿ã³ãªãŒã®åŒããªãªããŒããã®å±±ã«ããŸãããã圌ã®ããæšé«ã¯3,000ãã£ãŒãã§ãããã¹ã¿ã³ãªãŒã¯æºåž¯é»è©±ã§ãªãªããŒã«é£çµ¡ããæ«ãæ¢ããŠãããããé Œã¿ãŸããããªãªããŒãã¹ã¿ã³ãªãŒã®æ«ã®ããæšé«ã«å°éããããã«ã¯ãäœãã£ãŒãç»ãå¿
èŠããããŸããïŒ
|
ã¹ã¿ã³ãªãŒã®ããæšé«ã¯10,000ãã£ãŒãã§ãæ«ã¯4,000ãã£ãŒãäžã®å²©æ£ã«èœã¡ãŸããããããã£ãŠãæ«ã®ããæšé«ã¯æ¬¡ã®ããã«èšç®ãããŸãã
10,000ãã£ãŒã - 4,000ãã£ãŒã = 6,000ãã£ãŒã
ãªãªããŒã¯3,000ãã£ãŒãã®æšé«ã«ãããããåœŒãæ«ã®ããæšé«6,000ãã£ãŒãã«å°éããã«ã¯æ¬¡ã®ããã«èšç®ããŸãã
6,000ãã£ãŒã - 3,000ãã£ãŒã = 3,000ãã£ãŒã
ã€ãŸãããªãªããŒã¯3,000ãã£ãŒãç»ãå¿
èŠããããŸãã
ãããã£ãŠãåçã¯ã#### 3000ãã§ãã
| 3,000
|
ãã¹ãšããã¯èªåã®åºãè³é調éããããã«ã2ã€ã®éè¡ãããéãåããŸãããæåã®éè¡ããã¯4000ãã«ã2çªç®ã®éè¡ããã¯ããã®2åã®éé¡ãåããŸãããããšããšåœŒãæã£ãŠããè³æ¬éã5000ãã«ã ã£ãå ŽåãçŸåšåœŒã®è³æ¬éã¯ãããã§ããïŒ
|
ãã¹ãšãããæåã®éè¡ããåããéé¡ã¯4000ãã«ã§ããæ¬¡ã«ã2çªç®ã®éè¡ããåããéé¡ã¯ãã®2åãªã®ã§ã2 à 4000ãã« = 8000ãã«ã§ãã
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4000ãã« + 8000ãã« = 12000ãã«ã
圌ã®ããšããšã®è³æ¬éã¯5000ãã«ã§ãã®ã§ãçŸåšã®è³æ¬ã¯æ¬¡ã®ããã«èšç®ã§ããŸãïŒ
5000ãã« + 12000ãã« = 17000ãã«ã
ãããã£ãŠãçŸåšåœŒã®è³æ¬éã¯17000ãã«ã§ãã
åç: ####17000
| 17,000
|
岩ã®äžã«ã¯50å¹ã®ç«ãããŸããã4é»ã®ããŒããæ¥ãŠããããã5å¹ãã€ç«ãé£ãå»ããŸããããã®åŸãæ®ã£ãç«ã®3/5ãèŠãããããºãã远ããããŠãããŸããã岩ã®äžã«ã¯äœå¹ã®ç«ãæ®ã£ãŠããŸãããïŒ
|
ãŸãã岩ã®äžã«ããç«ã®æ°ã¯50å¹ã§ãã
次ã«ã4é»ã®ããŒããæ¥ãŠããããã5å¹ãã€é£ãå»ã£ãã®ã§ãé£ãå»ãããç«ã®æ°ã¯æ¬¡ã®ããã«èšç®ããŸãã
4é» Ã 5å¹ = 20å¹
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50å¹ - 20å¹ = 30å¹
æ®ã£ãç«ã®æ°ã¯30å¹ã§ãããã®åŸããã®ç«ã®3/5ãããºãã远ããããŠããã®ã§ã远ããããç«ã®æ°ãèšç®ããŸãã
30å¹ Ã (3/5) = 18å¹
ãããã£ãŠã远ãããã«è¡ãç«ã18å¹ã§ã岩ã®äžã«æ®ãç«ã®æ°ã¯ä»¥äžã®ããã«ãªããŸãã
30å¹ - 18å¹ = 12å¹
æçµçã«ã岩ã®äžã«æ®ã£ãç«ã®æ°ã¯12å¹ã§ãã
çã㯠12 ãªã®ã§ãæçµçµæã¯ #### 12
| 12
|
Googleã®åŸæ¥å¡ãæ¥åž°ãæ
è¡ã«åºãããŸããã60人ä¹ãã®ãã¹ã4å°ã30人ä¹ãã®ãããã¹ã6å°ããããŠ15人ä¹ãã®ãããã³ã10å°åããããŸãããæ¥åž°ãæ
è¡ã«åå ã§ããåŸæ¥å¡ã¯åèšäœäººã§ããïŒ
|
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- 60人ä¹ãã®ãã¹ã4å°ããã®ã§ã
60人 à 4å° = 240人
- 30人ä¹ãã®ãããã¹ã6å°ããã®ã§ã
30人 à 6å° = 180人
- 15人ä¹ãã®ãããã³ã10å°ããã®ã§ã
15人 à 10å° = 150人
次ã«ããããã®åèšãæ±ããŸãã
240人 (ãã¹) + 180人 (ãããã¹) + 150人 (ãããã³) = 570人
ãããã£ãŠãæ¥åž°ãæ
è¡ã«åå ã§ããåŸæ¥å¡ã®åèšã¯570人ã§ãã
åç㯠#### 570 ã§ãã
| 570
|
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|
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ãŸãã賌å
¥ããé€å°1ã€ãããã®åŒãå¯ããé³¥ã®æ°ã \( x \) ãšããŸãããããããšããªãªã¢ã³ãäœã£ãé€å°1ã€ããã㯠\( x + 10 \) 矜ã®é³¥ãåŒãå¯ããŸãã
ãªãªã¢ã³ãäœã£ãé€å°3ã€ãåŒãå¯ããé³¥ã®æ°ã¯:
\[
3(x + 10)
\]
賌å
¥ããé€å°3ã€ãåŒãå¯ããé³¥ã®æ°ã¯:
\[
3x
\]
ããããåèšãããšãåºå
šäœã§åŒãå¯ããé³¥ã®æ°ã¯æ¬¡ã®ããã«ãªããŸãã
\[
3(x + 10) + 3x
\]
ãããå±éãããš:
\[
3x + 30 + 3x = 6x + 30
\]
å顿ã«ãããšãåé€å°ã¯åºã§è²·ã£ããã®ã§1æ¥20矜ã®é³¥ãåŒãå¯ããã®ã§ã賌å
¥ããé€å°ã®åŒãå¯ããé³¥ã®æ°ã¯:
\[
3 \times 20 = 60
\]
ãããã£ãŠ \( 3x = 60 \) ãã \( x = 20 \) ã«ãªããŸãã
ãªãªã¢ã³ãäœã£ãé€å°1ã€ãããã®æ°ã¯:
\[
x + 10 = 20 + 10 = 30
\]
次ã«ãäœã£ãé€å°3ã€ãåŒãå¯ããé³¥ã®æ°ã¯:
\[
3 \times 30 = 90
\]
ãã¹ãŠã®é€å°ãåããããš1æ¥ãããã®é³¥ã®åèšã¯:
\[
90 + 60 = 150
\]
ãããã£ãŠããªãªã¢ã³ã®åºã§1æ¥ã«èŠãããšãã§ããé³¥ã®æ°ã¯150矜ã§ãã
æçµçãªåçã¯ä»¥äžã®éãã§ãã
#### 150
| 150
|
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|
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次ã«ãã¹ãŒãã®å€æ®µãèšç®ããŸããã¹ãŒãã¯ããŒã°ã«ãã25%é«ãã®ã§ãã¹ãŒãã®å€æ®µã¯ä»¥äžã®ããã«ãªããŸãïŒ
\[
\text{ã¹ãŒãã®å€æ®µ} = 4ãã« + (0.25 \times 4ãã«) = 4ãã« + 1ãã« = 5ãã«
\]
次ã«ãã±ãŒãã®å€æ®µãèšç®ããŸããã±ãŒãã¯ããŒã°ã«ã®å€æ®µã®ååãªã®ã§ãã±ãŒãã®å€æ®µã¯æ¬¡ã®éãã§ãïŒ
\[
\text{ã±ãŒãã®å€æ®µ} = \frac{4ãã«}{2} = 2ãã«
\]
æåŸã«ãã¢ã¬ã¯ãµã³ãã©ã®å€é£ã®åèšéé¡ãèšç®ããŸãïŒ
\[
\text{åèšéé¡} = \text{ã¹ãŒãã®å€æ®µ} + \text{ããŒã°ã«ã®å€æ®µ} + \text{ã±ãŒãã®å€æ®µ} = 5ãã« + 4ãã« + 2ãã« = 11ãã«
\]
ãããã£ãŠãã¢ã¬ã¯ãµã³ãã©ã泚æããå€é£ã®ä»£éã¯åèš11ãã«ã§ãã
åç㯠####11 ã§ãã
| 11
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2人ç®ã®ãããããã°ïŒ18人
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| 26
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6æåã®ååã¯3æåã§ãã
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3 + 4 = 7æå
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6 + 7 = 13æå
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| 13
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|
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2. ããã·ã³ã°ããŠã«ã®ã»ãã: 20ãã«
3. 調çåšå
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ãããã®åèšã¯æ¬¡ã®ããã«ãªããŸãïŒ
120ãã« + 20ãã« + 25ãã« = 165ãã«
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165ãã« Ã 20% = 165ãã« Ã 0.20 = 33ãã«
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165ãã« - 33ãã« = 132ãã«
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åç: ####132
| 132
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6 + 11 + 2 = 19ãã«
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- æ¯èŠªããããã£ãéé¡: 16ãã«
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2 + 16 = 18ãã«
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19 - 18 = 1ãã«
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3ã¬ãã³ Ã (1/4) = 3/4ã¬ãã³
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|
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| 5
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25 - 5 = 20å
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20 ÷ 4 = 5å
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| 5
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|
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\[
\text{1ããŒã¹ã®éã} = \frac{20 \text{ãªã³ã¹}}{8} = 2.5 \text{ãªã³ã¹}
\]
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\[
\text{é£ã¹ãéã} = 2 \times 2.5 \text{ãªã³ã¹} = 5 \text{ãªã³ã¹}
\]
ãããã£ãŠãæ®ãã®ã±ãŒãã®éãã¯ä»¥äžã®ããã«ãªããŸãã
\[
\text{æ®ãã®éã} = 20 \text{ãªã³ã¹} - 5 \text{ãªã³ã¹} = 15 \text{ãªã³ã¹}
\]
æ®ãã®ã±ãŒãã®éãã¯15ãªã³ã¹ã§ãããã£ãŠçãã¯ä»¥äžã®éãã§ãã
#### 15
| 15
|
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34 + 22 = 56
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56 ÷ 8 = 7
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4ãã³ã à 2ãã«/ãã³ã = 8ãã«
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å
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\[
3 \text{ ã€ãŒã} = 3 \times 3 \text{ ãã£ãŒã} = 9 \text{ ãã£ãŒã}
\]
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\[
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\[
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\]
\[
åšå² = 2 \times (9 + 40) = 2 \times 49 = 98 \text{ ãã£ãŒã}
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| 98
|
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¥ããŸããïŒ
- éãããŒãºïŒ3ãã㯠à 20å = 60å
- èµ€ãããŒãºïŒ4ãã㯠à 20å = 80å
ãããã£ãŠãããŒã¬ã¬ããã®åèšããŒãºæ°ã¯ïŒ
60å + 80å = 140å
ãšãªã¶ãã¹ãšããŒã¬ã¬ããã®ããŒãºã®å·®ãèšç®ããŸãïŒ
140å - 60å = 80å
ãããã£ãŠãããŒã¬ã¬ããã¯ãšãªã¶ãã¹ããã80åå€ãã®ããŒãºãæã£ãŠããŸãã
çã㯠80 ã§ãã®ã§ãæçµçãªåçã¯ä»¥äžã®éãã§ãã
#### 80
| 80
|
ããŒã«ã¹ãèµ·ããæãå®¶ã®æž©åºŠã¯40床ã§ãã圌ã¯3æéãªãŒãã³ã§çŒãç©ããããªãŒãã³ã皌åããŠãã1æéããšã«å®¶ã®æž©åºŠã¯5åºŠäžæããŸãããã®åŸãããŒã«ã¹ã¯çªã30åééããçªãéããŠãã10åããšã«å®¶ã®æž©åºŠã¯2床äžãããŸããæçµçãªå®¶ã®æž©åºŠã¯äœåºŠã§ããããïŒ
|
ããŒã«ã¹ãèµ·ããæã®å®¶ã®æž©åºŠã¯40床ã§ãã
1. ãŸãããªãŒãã³ã3æé䜿çšããå Žåã®æž©åºŠäžæãèšç®ããŸãã
- 1æéããšã«5åºŠäžæããã®ã§ã3æéã§ã®äžæã¯:
\( 5 \, \text{床} \times 3 = 15 \, \text{床} \)
- ãããã£ãŠããªãŒãã³ã䜿ã£ãåŸã®æž©åºŠã¯:
\( 40 \, \text{床} + 15 \, \text{床} = 55 \, \text{床} \)
2. 次ã«ãçªã30åééããæã®æž©åºŠäœäžãèšç®ããŸãã
- 10åããšã«2床äžããã®ã§ã30åéïŒ3åã®10忝ïŒã§ã®äœäžã¯:
\( 2 \, \text{床} \times 3 = 6 \, \text{床} \)
- ãããã£ãŠãçªãéããåŸã®æž©åºŠã¯:
\( 55 \, \text{床} - 6 \, \text{床} = 49 \, \text{床} \)
æçµçãªå®¶ã®æž©åºŠã¯49床ã§ãã
çãã¯49床ãªã®ã§ã####49
| 49
|
æ ç»Bã¯æ ç»Cãã5åé·ããæ ç»Cã¯1.25æéã§ããæ ç»Aã¯æ ç»Bã®é·ãã®4åã®1ã§ããæ ç»Aã¯äœåéã§ããïŒ
|
ãŸããæ ç»Cã®é·ããåã§èšç®ããŸããæ ç»Cã¯1.25æéãªã®ã§ããããåã«çŽããŸãã
1.25æé = 1.25 Ã 60å = 75å
次ã«ãæ ç»Bã®é·ããæ±ããŸããæ ç»Bã¯æ ç»Cãã5åé·ãã®ã§ã
æ ç»Bã®é·ã = æ ç»Cã®é·ã + 5å = 75å + 5å = 80å
次ã«ãæ ç»Aã®é·ããæ±ããŸããæ ç»Aã¯æ ç»Bã®é·ãã®4åã®1ã§ãããã
æ ç»Aã®é·ã = æ ç»Bã®é·ã à (1/4) = 80å à (1/4) = 20å
ãããã£ãŠãæ ç»Aã®é·ãã¯20åã§ãã
çãã¯ïŒ#### 20
| 20
|
ãã€ã±ã«ã銬ãšã¬ãŒã¹ãããŠãããšãã銬ã1ãã€ã«èµ°ãããšã«å俵ã®å¹²ãèãé£ã¹ãããšã«æ°ã¥ããŸãããå¹²ãè1俵ã®å€æ®µã¯3ãã«ã§ãã銬ã32MPHã§30åéèµ°ã£ãå Žåããã€ã±ã«ã6æã®5ãã«æãæã£ãŠãããšããŠãå¹²ãèãè²·ã£ãåŸã®ãé£ãã¯ãããã«ãªããŸããïŒ
|
銬ã®é床ã¯32ãã€ã«æ¯æïŒMPHïŒã§ãã30åéèµ°ãã®ã§ã銬ãèµ°ãè·é¢ãèšç®ããŸãã
ãŸãã30åã¯0.5æéãªã®ã§ã銬ãèµ°ãè·é¢ã¯æ¬¡ã®ããã«èšç®ã§ããŸãã
\[
32 \text{ MPH} \times 0.5 \text{ æé} = 16 \text{ ãã€ã«}
\]
銬ã¯1ãã€ã«èµ°ãããšã«å俵ã®å¹²ãèãé£ã¹ãã®ã§ã16ãã€ã«èµ°ã£ãå Žåã¯ïŒ
\[
16 \text{ ãã€ã«} \times \frac{1}{2} \text{ å¹²ãè/ãã€ã«} = 8 \text{ å¹²ãè}
\]
次ã«ãå¹²ãè1俵ã®å€æ®µã3ãã«ãªã®ã§ã8å¹²ãèã®å€æ®µãèšç®ããŸãã
\[
8 \text{ å¹²ãè} \times 3 \text{ ãã«/å¹²ãè} = 24 \text{ ãã«}
\]
ãã€ã±ã«ã¯6æã®5ãã«æãæã£ãŠããŸãã®ã§ãåèšéé¡ã¯ïŒ
\[
6 \text{ æ} \times 5 \text{ ãã«/æ} = 30 \text{ ãã«}
\]
ããã§ã¯ãå¹²ãèãè²·ã£ãåŸã®ãé£ããèšç®ããŸãã
\[
30 \text{ ãã«} - 24 \text{ ãã«} = 6 \text{ ãã«}
\]
ãããã£ãŠããã€ã±ã«ãå¹²ãèãè²·ã£ãåŸã®ãé£ãã¯6ãã«ã§ãã
æçµçãªçãã¯ïŒ
#### 6
| 6
|
ãã¶ã³ãã¯å®¶æã®ããã«ãšãã°ããã°ãäœã£ãŠããŸãã圌女ã¯ã±ãŒã¹ã«å
¥ã£ãŠãã4ããŒã¹ã®åµãšãæžæ£ã«ãã£ãã°ãã®åµ2åã䜿ããŸãã圌女ã¯ãšãã°ããã°ãå
¥ãããã¬ã€ãçšæããåãã¬ã€ã¯5æ¯ã®ã°ã©ã¹ã眮ãããšãã§ããŸãã1æ¯ã®ãšãã°ããã°ã«5åã®åµãå¿
èŠãªå Žåããã¶ã³ãã¯äœãã¬ã€çšæã§ããã§ããããïŒ
|
ãŸãããã¶ã³ããæã£ãŠããåµã®ç·æ°ãèšç®ããŸãã
4ããŒã¹ã®åµã¯ã1ããŒã¹ã12åãªã®ã§ã4ããŒã¹ã¯ïŒ
4 à 12 = 48 åã®åµ
ãŸããæžæ£ã«ãã£ãåµã2åããã®ã§ãç·åµæ°ã¯ïŒ
48 + 2 = 50 åã®åµ
次ã«ããšãã°ããã°ãäœãããã«å¿
èŠãªåµã®éãèããŸãã1æ¯ã®ãšãã°ããã°ã«ã¯5åã®åµãå¿
èŠã§ãããã®å Žåã50åã®åµããäœãããšãã°ããã°ã®æ¯æ°ã¯ïŒ
50 ÷ 5 = 10 æ¯
åãã¬ã€ã«ã¯5æ¯ã®ã°ã©ã¹ã眮ãããšãã§ããã®ã§ããã¶ã³ããçšæã§ãããã¬ã€ã®æ°ã¯ïŒ
10 ÷ 5 = 2 ãã¬ã€
ãããã£ãŠããã¶ã³ãã¯2ãã¬ã€çšæããããšãã§ããŸãã
åçã¯ã####2ãã§ãã
| 2
|
ãžã§ãŒã€ã¯ã¹ã¯ã©ãã«ã§èªåã®çªãæ¥ãåã«214ãã€ã³ããæã£ãŠããŸããã圌ã¯26ãã€ã³ããç²åŸããŸãããã®åŸã225ãã€ã³ããæã£ãŠããããŒã·ãŒã10ãã€ã³ããç²åŸããŸããçŸåšããžã§ãŒã€ã¯äœãã€ã³ãã®ãªãŒããããŠããŸããïŒ
|
ãžã§ãŒã€ã¯æåã«214ãã€ã³ããæã£ãŠããŠã26ãã€ã³ããç²åŸããã®ã§ã圌ã®åèšãã€ã³ãã¯æ¬¡ã®ããã«ãªããŸãïŒ
214 + 26 = 240ãã€ã³ã
ããŒã·ãŒã¯225ãã€ã³ããæã£ãŠããŠã10ãã€ã³ããç²åŸããã®ã§ã圌女ã®åèšãã€ã³ãã¯æ¬¡ã®ããã«ãªããŸãïŒ
225 + 10 = 235ãã€ã³ã
çŸåšããžã§ãŒã€ã¯ããŒã·ãŒã«å¯ŸããŠã©ã®ããããªãŒãããŠããããèšç®ããŸãïŒ
240 - 235 = 5ãã€ã³ã
ãžã§ãŒã€ã®ãªãŒãã¯5ãã€ã³ãã§ãããããã£ãŠãçãã¯####5ã§ãã
| 5
|
ã»ãŒã«ã¹ãã³ã¯48è¶³ã®ã¹ããŒã«ãŒã576ãã«ã§è³Œå
¥ããŸãããåœŒã¯æææ¥ã®ãã©ãã·ã¥ã»ãŒã«ã§17è¶³ãäžè¶³20ãã«ã§å£²ããæ®ãã¯é±ã®æ®ãã®æéã«ãããŒãã«äžè¶³25ãã«ã§å£²ããŸãããã»ãŒã«ã¹ãã³ã®å©çã¯ãããã§ããããïŒ
|
ãŸããã»ãŒã«ã¹ãã³ãã¹ããŒã«ãŒã賌å
¥ããç·é¡ãšè²©å£²ããéé¡ãããããèšç®ããŸãã
### ã¹ããŒã«ãŒã®è³Œå
¥
- 賌å
¥ããã¹ããŒã«ãŒã®æ°: 48è¶³
- 賌å
¥éé¡: 576ãã«
ã€ãŸãã1è¶³ãããã®è³Œå
¥äŸ¡æ Œã¯æ¬¡ã®ããã«ãªããŸãïŒ
\[
\text{1è¶³ãããã®è³Œå
¥äŸ¡æ Œ} = \frac{576ãã«}{48è¶³} = 12ãã«
\]
### æææ¥ã®ãã©ãã·ã¥ã»ãŒã«
- 売ã£ãã¹ããŒã«ãŒã®æ°: 17è¶³
- 売䟡: 20ãã«
æææ¥ã®ãã©ãã·ã¥ã»ãŒã«ã§åŸãããåå
¥ã¯æ¬¡ã®ããã«ãªããŸãïŒ
\[
\text{ãã©ãã·ã¥ã»ãŒã«ã®åå
¥} = 17è¶³ \times 20ãã« = 340ãã«
\]
### æ®ãã®ã¹ããŒã«ãŒ
æ®ãã®ã¹ããŒã«ãŒã®æ°ã¯ïŒ
\[
\text{æ®ãã®ã¹ããŒã«ãŒã®æ°} = 48è¶³ - 17è¶³ = 31è¶³
\]
ãã®31è¶³ã¯ãé±ã®æ®ãã®æéã«äžè¶³25ãã«ã§å£²ãããŸãããããã£ãŠããã¯ãåŸãããåå
¥ãèšç®ããŸãïŒ
\[
\text{æ®ãã®ã¹ããŒã«ãŒã®åå
¥} = 31è¶³ \times 25ãã« = 775ãã«
\]
### ç·åå
¥
ç·åå
¥ã¯ãã©ãã·ã¥ã»ãŒã«ã®åå
¥ãšæ®ãã®ã¹ããŒã«ãŒã®åå
¥ã®åèšã§ãïŒ
\[
\text{ç·åå
¥} = 340ãã« + 775ãã« = 1115ãã«
\]
### å©ç
å©çã¯ãç·åå
¥ãã賌å
¥è²»çšãåŒãããã®ã§ãïŒ
\[
\text{å©ç} = \text{ç·åå
¥} - \text{賌å
¥è²»çš} = 1115ãã« - 576ãã« = 539ãã«
\]
ãããã£ãŠãã»ãŒã«ã¹ãã³ã®å©çã¯539ãã«ã§ãã
çãã¯ã####539ãã§ãã
| 539
|
ãã¢ããªã¹ã¯ã¢ãŒãã¯ã©ã¹ã®ããã«ã¯ã¬ãšã³ã®ããã¯ã10å賌å
¥ããŸããããã®ãã¡6ããã¯ã«ã¯ãããã8è²ãã€å
¥ã£ãŠãããæ®ãã®4ããã¯ã«ã¯ãããã16è²ãã€å
¥ã£ãŠããŸããããã¢ããªã¹ã¯åèšã§äœè²ã®ã¯ã¬ãšã³ã賌å
¥ããŸãããïŒ
|
ãã¢ããªã¹ã賌å
¥ããã¯ã¬ãšã³ã®åèšè²æ°ãèšç®ããŸãã
ãŸãã6ããã¯ã«å«ãŸããã¯ã¬ãšã³ã®è²æ°ãèšç®ããŸãã
6ãã㯠à 8è²/ãã㯠= 48è²
次ã«ãæ®ãã®4ããã¯ã«å«ãŸããã¯ã¬ãšã³ã®è²æ°ãèšç®ããŸãã
4ãã㯠à 16è²/ãã㯠= 64è²
以äžã®çµæãè¶³ãç®ã§åèšããŸãã
48è² + 64è² = 112è²
ãããã£ãŠããã¢ããªã¹ã賌å
¥ããåèšã¯ã¬ãšã³ã®è²æ°ã¯112è²ã§ãããã£ãŠãåçã¯ä»¥äžã®éãã§ãã
#### 112
| 112
|
ããæ¥ã20åã®ããªãŠã 颚è¹ãèšããŸããç·è²»çšã¯900ãã«ã§ããã2æ¥åŸãå颚è¹ãèšããŸããè²»çšã¯20ãã«å¢å ããŸãããäŸ¡æ ŒäžæåŸã«170åã®é¢šè¹ãèšããŸãã«è¡ã£ãå Žåããã³ãã¬ãŒã¯ãããæ¯æã£ãã§ããããïŒ
|
ãŸããæåã«20åã®ããªãŠã 颚è¹ãèšããŸããããã®è²»çšãèšç®ããŸãã
20åã®é¢šè¹ãèšããŸããç·è²»çšã900ãã«ãšããããšãªã®ã§ã1åãããã®è²»çšã¯æ¬¡ã®ããã«èšç®ã§ããŸãã
\[
\text{1åãããã®è²»çš} = \frac{900 \text{ãã«}}{20} = 45 \text{ãã«}
\]
2æ¥åŸãå颚è¹ãèšããŸããè²»çšã20ãã«å¢å ãããããæ°ãã1åãããã®è²»çšã¯æ¬¡ã®ããã«ãªããŸãã
\[
\text{æ°ãã1åãããã®è²»çš} = 45 \text{ãã«} + 20 \text{ãã«} = 65 \text{ãã«}
\]
ãããŠã170åã®é¢šè¹ãèšããŸããè²»çšãèšç®ããŸãã
\[
\text{170åã®è²»çš} = 170 \times 65 \text{ãã«} = 11050 \text{ãã«}
\]
ãããã£ãŠããã³ãã¬ãŒãæ¯æã£ãéé¡ã¯11050ãã«ã§ãã
æçµçãªåçã¯ä»¥äžã®éãã§ãã
#### 11050
| 11,050
|
ãã®è»ã¯ããŒãããªããäžã§ãæåã®2æéã¯æé60ãã€ã«ã§èµ°ããæ¬¡ã®1æéã¯æé30ãã€ã«ã§èµ°ããŸãããã®æ
è¡äžã®è»ã®å¹³åéåºŠã¯æéäœãã€ã«ã§ããïŒ
|
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æåã®2æéã§ã®è·é¢ïŒ
- æé60ãã€ã«ã§2æéèµ°ãã®ã§ãè·é¢ã¯ \( 60 \, \text{ãã€ã«/æé} \times 2 \, \text{æé} = 120 \, \text{ãã€ã«} \)
次ã®1æéã§ã®è·é¢ïŒ
- æé30ãã€ã«ã§1æéèµ°ãã®ã§ãè·é¢ã¯ \( 30 \, \text{ãã€ã«/æé} \times 1 \, \text{æé} = 30 \, \text{ãã€ã«} \)
ç·ç§»åè·é¢ïŒ
- \( 120 \, \text{ãã€ã«} + 30 \, \text{ãã€ã«} = 150 \, \text{ãã€ã«} \)
ç·ç§»åæéïŒ
- \( 2 \, \text{æé} + 1 \, \text{æé} = 3 \, \text{æé} \)
å¹³åé床ã¯ãç·ç§»åè·é¢ãç·ç§»åæéã§å²ã£ããã®ã§ãïŒ
\[
\text{å¹³åé床} = \frac{150 \, \text{ãã€ã«}}{3 \, \text{æé}} = 50 \, \text{ãã€ã«/æé}
\]
ãããã£ãŠãè»ã®å¹³åéåºŠã¯æé50ãã€ã«ã§ãã
çã㯠#### 50
| 50
|
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šéšã§ãããã®äŸ¡å€ããããŸããïŒ
|
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æåã®ãµãã¡ã€ã¢: 8å
亀æãããµãã¡ã€ã¢: -3å
æ®ãã®ãµãã¡ã€ã¢: 8 - 3 = 5å
次ã«ã5åã®ãµãã¡ã€ã¢ãš2åã®ã«ããŒã®äŸ¡å€ãèšç®ããŸãã
ãµãã¡ã€ã¢ã®äŸ¡å€:
5å Ã 800ãã« = 4000ãã«
ã«ããŒã®äŸ¡å€:
2å Ã 1200ãã« = 2400ãã«
æåŸã«ã圌女ã®å®ç³ã®ç·äŸ¡å€ãèšç®ããŸãã
ç·äŸ¡å€ = ãµãã¡ã€ã¢ã®äŸ¡å€ + ã«ããŒã®äŸ¡å€
= 4000ãã« + 2400ãã«
= 6400ãã«
ãããã£ãŠããžã§ãã®å®ç³ã¯å
šéšã§6400ãã«ã®äŸ¡å€ããããŸãã
åçã¯: 6400 ####
| 6,400
|
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¥ã£ãŠãããäŸ¡æ Œã¯12ãã«ã§ããæ€ãä»ãçšã®åã«ãããè²»çšã¯åèšã§ãããã«ãªããŸããïŒ
|
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ã«ãç·å®¹éãèšç®ããŸãã
çã®ãµã€ãº:
- å¹
: 2ãã£ãŒã
- é·ã: 8ãã£ãŒã
- é«ã: 2ãã£ãŒã
1ã€ã®çã®å®¹éã¯æ¬¡ã®ããã«èšç®ã§ããŸãã
\[
容é = å¹
\times é·ã \times é«ã = 2 \, \text{ãã£ãŒã} \times 8 \, \text{ãã£ãŒã} \times 2 \, \text{ãã£ãŒã}
\]
\[
容é = 32 \, \text{ç«æ¹ãã£ãŒã}
\]
ããã¯10åã®çãæã£ãŠããã®ã§ã
\[
ç·å®¹é = 32 \, \text{ç«æ¹ãã£ãŒã} \times 10 = 320 \, \text{ç«æ¹ãã£ãŒã}
\]
次ã«ãæ€ãä»ãçšã®åãã©ã®ãããå¿
èŠãèšç®ããŸãã
åã®è¢ã®å®¹éã¯2ç«æ¹ãã£ãŒããªã®ã§ã
\[
å¿
èŠãªåã®è¢ã®æ° = \frac{ç·å®¹é}{1è¢ã®å®¹é} = \frac{320 \, \text{ç«æ¹ãã£ãŒã}}{2 \, \text{ç«æ¹ãã£ãŒã}}
\]
\[
å¿
èŠãªåã®è¢ã®æ° = 160 \, \text{è¢}
\]
åã®è¢ã®äŸ¡æ Œã¯12ãã«ãªã®ã§ãåèšã®è²»çšã¯ã
\[
åèšè²»çš = å¿
èŠãªåã®è¢ã®æ° \times 1è¢ã®äŸ¡æ Œ = 160 \, \text{è¢} \times 12 \, \text{ãã«}
\]
\[
åèšè²»çš = 1920 \, \text{ãã«}
\]
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åç: ####1920
| 1,920
|
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|
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ç·ã®ã«ãŒãã¯èµ€ãã«ãŒããã60%å€ãã®ã§ãç·ã®ã«ãŒãã®ææ°ã¯ä»¥äžã®ããã«èšç®ã§ããŸãã
ç·ã®ã«ãŒãã®æ° = èµ€ãã«ãŒãã®æ° + 60% * èµ€ãã«ãŒãã®æ°
= 15 + 0.6 * 15
= 15 + 9
= 24æ
次ã«ãé»è²ãã«ãŒãã®ææ°ã¯èµ€ãšç·ã®ã«ãŒãã®åèšãšåãã§ãã
èµ€ãšç·ã®ã«ãŒãã®åèš = èµ€ãã«ãŒãã®ææ° + ç·ã®ã«ãŒãã®ææ°
= 15 + 24
= 39æ
ãããã£ãŠãé»è²ãã«ãŒãã39æã§ãã
æåŸã«ãèµ€ãç·ãé»è²ã®ã«ãŒãã®åèšãèšç®ããŸãã
åèš = èµ€ãã«ãŒã + ç·ã®ã«ãŒã + é»è²ãã«ãŒã
= 15 + 24 + 39
= 78æ
ãããã£ãŠãèµ€ãç·ãé»è²ã®ã«ãŒãã¯åèšã§78æã§ãã
åç㯠####78 ã§ãã
| 78
|
ã±ã€ããªã³ãåŠæ ¡ã®éã³å Žã§åéãšéãã§ãããšããè¿ãã®æ£®ã®äžç©ºãé£ãã§ããåŠç²Ÿã50人èŠãŸãããçŽ20ååŸã圌女ã®åéã®äžäººãæ±ããæ¥ãŠãã±ã€ããªã³ãèŠãåŠç²Ÿã®ååã®æ°ã®åŠç²Ÿãåæµããã®ãèŠãŸãããããã«10ååŸã30人ã®åŠç²Ÿãé£ã³å»ããŸãããæ®ã£ãŠããåŠç²Ÿã¯äœäººã§ããïŒ
|
æåã«ã±ã€ããªã³ãèŠãåŠç²Ÿã®æ°ã¯50人ã§ãããããŠãåŸããåéãåæµããéã«åŠç²Ÿã®ååã®æ°ãå ããã®ã§ããã®æ°ã¯æ¬¡ã®ããã«èšç®ã§ããŸãïŒ
50人 (ã±ã€ããªã³ãèŠãåŠç²Ÿ) ÷ 2 = 25人 (åéãèŠãåŠç²Ÿ)
ãããã£ãŠãåæµããåŸã®åŠç²Ÿã®ç·æ°ã¯
50人 + 25人 = 75人
次ã«ãããã«10ååŸã«30人ã®åŠç²Ÿãé£ã³å»ããšãããšãæ®ã£ãŠããåŠç²Ÿã®æ°ã¯
75人 - 30人 = 45人
ãããã£ãŠãæ®ã£ãŠããåŠç²Ÿã®æ°ã¯45人ã§ãã
çã㯠45 ã§ããæçµçãªæ°å€ã瀺ããŸããšã#### 45
| 45
|
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|
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- ãžã§ããã¡ãŒã®ç¬ã®åç¬: 8å¹
- ãã©ã³ãã³ã®ç¬ã®åç¬: 12å¹
åèš:
8 + 12 = 20å¹
次ã«ãæç¹ã®ããåç¬ã®åèšæ°ãæ±ããŸãã
- ãžã§ããã¡ãŒã®ç¬ã®æç¹ã®ããåç¬: 3å¹
- ãã©ã³ãã³ã®ç¬ã®æç¹ã®ããåç¬: 4å¹
åèš:
3 + 4 = 7å¹
å
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(æç¹ã®ããåç¬ã®æ°) / (å
šäœã®åç¬ã®æ°) à 100
èšç®:
(7 / 20) Ã 100 = 35%
ãã£ãŠãå
šãŠã®åç¬ã®äžã§æç¹ãããåç¬ã®å²åã¯35%ã§ãã
åç: ####35
| 35
|
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|
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- ã¢ã«ãçŒ¶ã®æ°: 3æ¬
- ãã©ã¹ããã¯ããã«ã®æ°: 5æ¬
次ã«ãããããã®ãªãµã€ã¯ã«äŸ¡å€ãèšç®ããŸãã
- ã¢ã«ã猶ã®ãªãµã€ã¯ã«äŸ¡å€: 3æ¬ Ã 2ã»ã³ã = 6ã»ã³ã
- ãã©ã¹ããã¯ããã«ã®ãªãµã€ã¯ã«äŸ¡å€: 5æ¬ Ã 3ã»ã³ã = 15ã»ã³ã
1é±ãããã®ç·ãªãµã€ã¯ã«äŸ¡å€ã¯ä»¥äžã®ããã«ãªããŸãã
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- ç·ãªãµã€ã¯ã«äŸ¡å€ = 6ã»ã³ã + 15ã»ã³ã = 21ã»ã³ã
4é±éã§ã®ç·çšŒãã¯æ¬¡ã®ããã«èšç®ããŸãã
- 4é±éã®çšŒã = 21ã»ã³ã à 4 = 84ã»ã³ã
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æçµçãªçãã¯ã####84ã§ãã
| 84
|
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|
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ããã®æ€ç©æ° = ãã¬ããªãã¯ã®æ€ç©æ° + (ãã¬ããªãã¯ã®æ€ç©æ° à 60%)
ããã®æ€ç©æ° = 10 + (10 à 0.6)
ããã®æ€ç©æ° = 10 + 6
ããã®æ€ç©æ° = 16æ ª
次ã«ãã·ã§ã³ãã©ã¯ãããã7æ ªå°ãªãæ€ç©ãæã£ãŠããŸãã®ã§ãã·ã§ã³ãã©ã®æ€ç©ã®æ°ã¯æ¬¡ã®ããã«èšç®ã§ããŸãã
ã·ã§ã³ãã©ã®æ€ç©æ° = ããã®æ€ç©æ° - 7
ã·ã§ã³ãã©ã®æ€ç©æ° = 16 - 7
ã·ã§ã³ãã©ã®æ€ç©æ° = 9æ ª
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çã㯠9 #### 9
| 9
|
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|
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åçã¯71ã§ãã####71
| 71
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ããã = 15ãã« Ã (1/5) = 15ãã« / 5 = 3ãã«
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åèš = é
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åç㯠#### 18 ã§ãã
| 18
|
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|
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ãã¹ã±ããããŒã«ã«ãŒãã®ç·æ° = 25æ à 6ããã = 150æ
次ã«ãéçã«ãŒãã®ç·æ°ãèšç®ããŸãã圌女ã¯éçã«ãŒããå40æå
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éçã«ãŒãã®ç·æ° = 40æ à 5ããã¯ã¹ = 200æ
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å
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åãäžããã«ãŒãã®æ° = å
šãŠã®ã«ãŒãã®ç·æ° 350æ - èªåã®ä¿æã«ãŒã 50æ = 300æ
次ã«ãçåŸäžäººåœãã10æã®ã«ãŒããåãäžããå Žåã®çåŸã®äººæ°ãèšç®ããŸãïŒ
çåŸã®äººæ° = åãäžããã«ãŒãã®æ° 300æ ÷ 1人åœããã®ã«ãŒãæ° 10æ = 30人
ãããã£ãŠããã¹ã»ããªã¢ã®çåŸã¯30人ã§ãã
çãã¯ã30人ã§ãã
#### 30
| 30
|
ããããŒã¯1å45ã»ã³ãã®ãªã³ãŽã20å賌å
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|
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ããããŒã¯1å45ã»ã³ãã®ãªã³ãŽã20å賌å
¥ããŸããã
ãªã³ãŽã®åèšéé¡ã¯:
\( 45 \text{ã»ã³ã} \times 20 = 900 \text{ã»ã³ã} \)
ããããŒã¯1ãã«ã®å²åŒãåããŸããã1ãã«ã¯100ã»ã³ãã«çžåœããŸãã
ãããã£ãŠãå²åŒåŸã®éé¡ã¯:
\( 900 \text{ã»ã³ã} - 100 \text{ã»ã³ã} = 800 \text{ã»ã³ã} \)
ããããŒã®æçµçãªæ¯æé¡ã¯800ã»ã³ããã€ãŸã8ãã«ã§ãã
次ã«ãã±ãªãŒã®æ¯æé¡ãèšç®ããŸãã
ã±ãªãŒã¯1å50ã»ã³ãã®ãªã³ãŽã20å賌å
¥ããŸããã
ãªã³ãŽã®åèšéé¡ã¯:
\( 50 \text{ã»ã³ã} \times 20 = 1000 \text{ã»ã³ã} \)
ã±ãªãŒã¯10ããŒã»ã³ãã®å²åŒãåããŸãã®ã§ãå²åŒé¡ã¯:
\( 1000 \text{ã»ã³ã} \times 0.10 = 100 \text{ã»ã³ã} \)
ãããã£ãŠãå²åŒåŸã®éé¡ã¯:
\( 1000 \text{ã»ã³ã} - 100 \text{ã»ã³ã} = 900 \text{ã»ã³ã} \)
ã±ãªãŒã®æçµçãªæ¯æé¡ã¯900ã»ã³ããã€ãŸã9ãã«ã§ãã
æåŸã«ãã±ãªãŒãããããŒããã©ãã ãå€ãæ¯æã£ãããæ±ããŸãã
ã±ãªãŒã®æ¯æé¡ - ããããŒã®æ¯æé¡ã¯æ¬¡ã®ããã«ãªããŸã:
\( 900 \text{ã»ã³ã} - 800 \text{ã»ã³ã} = 100 \text{ã»ã³ã} \)
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åç: ####1
| 1
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|
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- æãåžå£ïŒ1æ
- æã«ããŒïŒ2æã®ã·ãŒãã®2åãªã®ã§ã2 * 2 = 4æ
- ã¿ãªã«ïŒ4æã®æã«ããŒã®2åãªã®ã§ã4 * 2 = 8æ
ããããåèšãããšã1éšå±ãããã®æŽæ¿¯ç©ã®ç¹æ°ã¯ä»¥äžã®ããã«ãªããŸãïŒ
\[
2 (ã·ãŒã) + 1 (æãåžå£) + 4 (æã«ããŒ) + 8 (ã¿ãªã«) = 15
\]
次ã«ã80éšå±ã®æŽæ¿¯ç©ã®åèšç¹æ°ãèšç®ããŸãã1éšå±ããã15ç¹ãªã®ã§ã
\[
15 \times 80 = 1200
\]
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#### 1200
| 1,200
|
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|
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\[
6 \text{ ç¶} \times 8 \text{ ã«ããã±ãŒã/ç¶} = 48 \text{ ã«ããã±ãŒã}
\]
次ã«ãã¡ã¢ãªãŒãçŒãã«ããã±ãŒãã®ãã³ã®æ°ãèšç®ããŸããåãã³ã§12åã®ã«ããã±ãŒããçŒãããšãã§ãããããçŒãã¹ããã³ã®æ°ã¯æ¬¡ã®ããã«èšç®ããŸãïŒ
\[
\frac{48 \text{ ã«ããã±ãŒã}}{12 \text{ ã«ããã±ãŒã/ãã³}} = 4 \text{ ãã³}
\]
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| 4
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| 3
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\[
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\]
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\]
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\text{é£ã¹ããªã¬ã³ãžã®æ°} = \frac{2}{5} \times 60 = \frac{120}{5} = 24
\]
次ã«ãã¹ããããœã³ãæ¯æã£ãéé¡ãèšç®ããŸãã1åã®ãªã¬ã³ãžã«ã€ã10ãã«æ¯æãã®ã§ãæ¯æã£ãç·é¡ã¯æ¬¡ã®éãã§ãã
\[
\text{ç·é¡} = 24 \times 10 = 240 \text{ãã«}
\]
ãããã£ãŠãã¹ããããœã³ãæ¯æã£ãç·é¡ã¯240ãã«ã§ããæçµçãªåçã¯æ¬¡ã®éãã§ãã
#### 240
| 240
|
ãžãªã¢ã³ã®ãã³ãããã°ã¯åœŒå¥³ã®éŽã®3åã®å€æ®µãã20ãã«å®ãã§ãããã圌女ã®éŽã80ãã«ã ã£ãå Žåã圌女ã®ããã°ã¯ãããã§ãããïŒ
|
ãžãªã¢ã³ã®éŽã80ãã«ã§ãããšãããšã圌女ã®ãã³ãããã°ã®å€æ®µã¯æ¬¡ã®ããã«èšç®ã§ããŸãã
1. éŽã®å€æ®µã¯80ãã«ã
2. ããã°ã¯éŽã®3åã®å€æ®µãã20ãã«å®ããšããæ
å ±ããæ¬¡ã®åŒãæãç«ã¡ãŸãã
ããã°ã®å€æ®µ = 3 à éŽã®å€æ®µ - 20ãã«
ããã°ã®å€æ®µ = 3 à 80ãã« - 20ãã«
ããã°ã®å€æ®µ = 240ãã« - 20ãã«
ããã°ã®å€æ®µ = 220ãã«
ãããã£ãŠããžãªã¢ã³ã®ããã°ã®å€æ®µã¯220ãã«ã§ãã
åç: ####220
| 220
|
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