Предмет: Математика, автор: dbaigabulov

1)-3×(7+х)-11=???
2)7/7×(-21у-14)+1,6 (5-5у)=???
3)-0,5×(-4а+6в)+5× (0,4в-1,8а)=???

Ответы

Автор ответа: keldibekkyzykarshigu
0

Ответ:

Пошаговое объяснение:-21-3x--11=3(-x-11)

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