September 2018 1 14 Report

Zad1

Oblicz wartość wyrażenia.

dla a=-2

2a2(potęga)-2a=

zad.2

Doprowadź wyrażenie do najprostszej postaci.

a=-1, b=-1

a)(2a-1)*(2a+2)=

b)(3a-b)(2a+b)=

c)2a(a-b)-2b(b+a)=


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