Предмет: Математика, автор: Аноним

Раскройте скобки: -(2,9a-3,6b)+(6,3b+1,2a) СРОЧНО!!!!ДАМ 30 БАЛЛОВ!!!!!

Ответы

Автор ответа: nastia1450

Как-то так :
-2,9a+3,6b+6,3b+1,2a=-27, 8a+9,9b

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