Предмет: Математика, автор: nelyakasenova

2a-8a+3a
7a-13a-4a
Если можно то с объяснением

Ответы

Автор ответа: DimaTz

0

2a-8a+3a=-3a
7a-13a-4a=-10a
тут как бы нечего объяснить ..

Автор ответа: saw798

0

-3а; -10а.

Реально все легко)

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