August 2018 2 13 Report
Muszę to rozwiązać
a (Do 3 potęgi )+ 2a - a(Do 2 potęgi )+ 3a(Do 2)- 10 a(Do 3)+5=
13 x + 7y - 10 x - 4y + 5y=
10ab + 3ab(Do 2)+5ab - 3ab(Do 2)=
17x+8x-20xy+3x+15x(Do 2)y(Do 2)-10xy(Do 2)+ x - 2y=
-9a(Do 3)+2a(Do 2)+2a+5=


chodzi mi o skrót np 5x-2x=3x

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