September 2018 1 48 Report

Rozwiązac z obliczeniami wszystko na dzis

zad.6.Wykonaj działania;

a). (a +b)-(2a -b)-(a-b)

b) (3x-y+1)-(x+y)+2(x+y)

c) -(kx+ny)-2(3kx+2ny)+5(kx-ny)

d) (2ab+a+b)-(3ab-a+b)

e) (4x²-3x)-(x+0,1x²)-(x²-0,1x)

f) 4x(x-1)-2(2x²-1)

g) 5a(a²-3a)-3a(a²-5a)

h) (5x-1)-(3x+2)-[(1-(1-x)-(-x)]


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