September 2018 2 13 Report

zad.1

Jeżeli do sumy liczby ab i 4a odejmiemy iloczyn liczb b-1 i 2a, to otrzymamy:

a) ab + 6a

b) -ab + 2a

c) -ab + 6a

d) 3ab + 6a ??

zad.2

Wyrażenie -8a^{2}b + 4ab^{2}- 4ab mozna zapisac w postaci:

a) 4ab(-2a+ b)

b) -4ab(2a-b)

c) 4ab(-2a+ b -1)

d)-4ab(2a+b-1) ??


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