November 2018 1 13 Report

1)Zamień na sumę a)(3x+5y)² b)(0,5a-dwie trzecie b)² 2)Zamień na iloczyn: 4a ²-2a+3a do 3 3)Opuść nawiasy i zredukuj wyrazy podobne: a) (2a-3b)-(5a+9b) b)4(x-5y)-3(x+8y) c) (10y-4)(10y+4)


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