October 2018 2 21 Report

1. zredukuj wyrazy podobne

a) 2x-y-3x

b) 13A-7b+3ab+4b

c)-5e+2f-2e

d)-a-b-ab+2ab

2. wykonaj mnozenie izredukuj wyrazy podobne

a) x(b+1)+x

b) -a(3-b)+3a

c)-a(a-5b+7)-ab

pilnie prosze o pomoc ikrotkie wyjasnienie !!!!!

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