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алина1771
@алина1771
July 2022
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-12*(3/4-2)*5/12 решите плиз
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Giard
Раскроем скобки:
= (- 12 * 3/4 + 24) * 5/12 = 6 целых 1/4
1) - 12 * 3/4 = - 3 * 3 = - 9
2) - 9 + 24 = 15
3) 15 * 5/12 = (5*5)/4 = 25/4 = 6 целых 1/4
2 способ.
- 12 * (3/4 - 2) * 5/12 = 6,25
1) 3/4 - 2 = - 1 1/4
2) - 12 * (- 1 1/4) = 12 * 5/4 = 3 * 5 = 15
3) 15 * 5/12 = (5*5)/4 = 25/4 = 6,25
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алина1771
решение само
алина1771
по действиям
prettypushkova
Verified answer
Получится в ответе 6.25
1 votes
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Answers & Comments
= (- 12 * 3/4 + 24) * 5/12 = 6 целых 1/4
1) - 12 * 3/4 = - 3 * 3 = - 9
2) - 9 + 24 = 15
3) 15 * 5/12 = (5*5)/4 = 25/4 = 6 целых 1/4
2 способ.
- 12 * (3/4 - 2) * 5/12 = 6,25
1) 3/4 - 2 = - 1 1/4
2) - 12 * (- 1 1/4) = 12 * 5/4 = 3 * 5 = 15
3) 15 * 5/12 = (5*5)/4 = 25/4 = 6,25
Verified answer
Получится в ответе 6.25