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Автор - Andron999990007

ААААААААААААААААААА помогите не могу решить (6-2 1/10*2 1/7)*4/15

Ответ

Автор - IAlinAI
2 1/10=21/10
2 1/7= 15/7
1)2 1/10* 2 1/7= 9/2= 4 1/2
2)6- 4 1/2 = 5 2/2 - 4 1/2= 1 1/2
.) 1 1/2= 3/2
3) 1 1/2*4/15= 3/2*4/15= 2/5

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