SOS


1)4(2-3m)-(6-m)-2(3m+4)=-17m-6


2)a+b-10ab=2a(3-b)-3b(a-2)-5(ab+a+b)

3)6(5a-3)+(10-20a)-(6a-4)=5a-(3a-(2a-4))

СРОЧНО ДАЮ 20 БАЛЛОВ
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