November 2018 2 79 Report

Zapisz wyrażenia , nie używając nawiasów . Zredukuj wyrazy podobne.

a) 4a-(4b-2a)=

b) -(2x+1) - (3x-1) =

c) -(5x-8) - 5 =

d) (3m-n) + 3n-m) =

DAJE NAJ


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