October 2018 1 14 Report

zadanie 4 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)

Prosze o szybką odpowiedź ; D ; 3


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