Предмет: Алгебра, автор: ДашаВолкова004

-1,6a+7,2a
13x-18y-20x+4y
72m-81m+5m-a

Ответы

Автор ответа: Hogpa

0

-1,6a+7,2a=5.6а
13x-18y-20x+4y=-7x-14y=-7(x+2y)
72m-81m+5m-a=-4m-a
Так?

Автор ответа: ДашаВолкова004

0

спасибо большое

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