September 2018 1 20 Report

Pomocy z rozwiązaniem Zapisz w jak najprostszej postaci .

a) (x-2)-(2-x)=

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

c) (3x-y+1)-(x+y)+(x-y)=

d) -(2a do kwadratu -3ab)-(2b-3a kwadrat )+(-ab-b)=

zad 2

zapisz w jak najprostszej postaci

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

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

c) -(kx+ny)-(3kx+2ny)+(5kx-3ny)=

d) (2ab+a+3)-(3ab-a+3)=


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