October 2018 2 27 Report

Zadanie 1 Doprowadź do najprostrzej postaci:

A) 2 (a-3b)-3(a-b)-5(4a+3b)=.....

B) 7(x+2y-3z)+4(2x-3y-5z)=.........

C)2(3a-4b+c)-5(3a+b-2c)....................

Pliz daje najwięcej punktów !!!!!!!!!!!!!!!!!!!!!


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