Предмет: Математика, автор: PixlTim

Решите пожалуйста очень надо

Приложения:

Ответы

Автор ответа: binamaksimchuk

1

Ответ:

-0,5

Пошаговое объяснение:

1) 7/10-11/30=21/30-11/30=10/30=1/3

2)1/3*(-9/7)=-3/7

3)1/4-11/24=6/24-11/24= -5/24

4)-5/24:35/12=-5/24*12/35= -1/14

5)-3/7 +(-1/14)=-6/14 +(-1/14)= -7/14=-1/2=-0,5

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