November 2018 1 18 Report
1. zapis w postaci iloczynu
13-y2
2. zapisz w postaci kwadratu sumy lub kwadratu różnicy
5m2-4 \sqrt{5} m +4
3.wykonaj działania
a) (x+2y)2-(x+2y(x-2y)+2(x-2y)2+4xy
b) (a-2b)(3a+b)-3(a-b)2
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