September 2018 1 78 Report

Witam proszę o pomoc.

zad1.

a) 2(a+b)+(a-36)=

b) 2(x+1)-(x-1)=

zad 2.

a) 5xy-15 x =

b) xy(dwa do kwadratu) + x (dwa do kwadratu) y =

c) x (dwa do kwadratu) y - xy (dwa do kwadratu) =

zad 3

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

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


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