Автор - gjcktlybb

помогите а)3x*2y б) -x*(-4y) в)5a*3y г) -x*(-y) д)-4x*(-2y)*(-c)

Ответ

Автор - 0809010s

Объяснение:

3x times 2y = 6xy \  - x times ( - 4y) = 4xy \ 5a times 3y = 15ay  \  - x times ( - y) = xy \  - 4x times ( - 2y) times ( - c) =  - 8xyc

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