September 2018 1 29 Report

Zredukuj wyrazy podobne:

a.-8c+c-5c+7,9c

b.17d+d-17d-d+62/7d

c.0,5e+11/2e-22/3+2/3e

d.a+x+x+a+x+a

Każdą z sum zapisz w prostszej postaci:

a.-2,5a+31/2a"+a-a"-0,5a

Pomozcie Prosze :D


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