August 2018 1 27 Report
1.Zapisz w jak najprostszej postaci:

a. (x-2)-(2-x)=
b. (a+b)+(2a-b)-(a-2b)=
c. (3x-y+1)-(x+y)+(y-x)=
d. -(2a do potęgi 2 -3ab)-(2b-3a do potęgi 2 )+(-ab-b)=

ROZWIĄZANIA POTRZEBUJĘ NA DZIŚ 25.03 CZAS DO 20;30
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