Предмет: Математика, автор: olyaalekseeva2017

сколько будет 15а3-3а2в​

olyaalekseeva2017: помогииитее

Ответы

Автор ответа: KudravcevaValeria
0

ответ 72ав

решение

15а3-3а2в

(15а-3а)*3*2в

12а*3*2в

36а*2в

72ав

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