October 2018 2 17 Report

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 kwadratu -3ab) + (2b - 3a do kwadratu) + (-ab-b)

POTRZEBUJE TO NA ZARAZ :)


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