Предмет: Алгебра, автор: jfkritj

заранее благодарю!!!

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Автор ответа: tankskeshaowzfqj

N144
a) ab+ac-ba+bc-cb-ca
b)ab-ac-ba+bc-cb+ca
c)ab-ac+ca-cb-ba+bc
d)а(в квадрате)-ab+2ab+b(в квадрате) +2ab-b(квадрате)-a(квадрате)-ab

N145
a)x(3x + 5)
b)2x(y+1)
c)3x(x-1)

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