November 2018 2 9 Report

Zad 1.

kwadrat liczby x =

Zad 2.

a) -10-3x dla x=2

b) 9x-2y+5= dla x=(-3), y=4

Zad 3. Doprowadz do najprostszej postaci;

a)2x+7x-6x+x=

b) 4a -4c - 7a- 9c=


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