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valeriyanikola1
@valeriyanikola1
July 2022
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ПОЖАЛУЙСТА СРОЧНО!
Решите удобным способом (лучше по действиям)
2 2/7 * 3 8/15 + 1 7/15* 2 2/7 - 7 2/7*5 =
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kratgv
Verified answer
2 2/7 * 3 8/15 + 1 7/15* 2 2/7 - 7 2/7*5 =- 25
1)2 2/7 * 3 8/15 + 1 7/15* 2 2/7=2 2/7(3 8/15+1 7/15)=2 2/7*4 15/15=2 2/7*5=16/7*5=80/7
2) 7 2/7*5 = 51/7*5=255/7
3)80/7-255/7=-175/7=-25
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Verified answer
2 2/7 * 3 8/15 + 1 7/15* 2 2/7 - 7 2/7*5 =- 251)2 2/7 * 3 8/15 + 1 7/15* 2 2/7=2 2/7(3 8/15+1 7/15)=2 2/7*4 15/15=2 2/7*5=16/7*5=80/7
2) 7 2/7*5 = 51/7*5=255/7
3)80/7-255/7=-175/7=-25