Предмет: Математика, автор: Kristinaa7909278

Решите плизз.
ОЧЕНЬ НАДО!!!
(1/2+1/4-2/5):4/5

Ответы

Автор ответа: инкогнито68

0

1) 1/2+1/4=(2+1)/4=3/4
2) 3/4-2/5=(3*5-2*4)/20=(15-8)/20=7/20
3) 7/20:4/5=7/20*5/4=(7*5)/(20*4)=35/80=7/16

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