January 2019 1 18 Report
Opuść nawiasy i zredukuj wyrazy podobne.
a) 4b + (- 3a + 6b) =
b) - (4a + 2b - 5) - ( - 2b - a + 3) =
c) a - (a*kwadrat + 2a - 1) + (-1 + a*kwadrat)

Przekształc podane wyrażenia na sumy algebraiczne (zredukuj wyrazy podobne):
a) (4a + 5b)*kwadrat =
b) (3a - 2b)*kwadrat =
c) (a - 7b) (7b + a) =
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