October 2018 2 49 Report

Zapisz w jak naprostszej 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)

Wykonaj działania:

a) a+(a-b) b)2x-(x+4) c) 7-(-x+6) d)-(x+4)+(x-5) e) 1-(t+p)-(t-2)

f) -(-y+2)+(-2y-4)


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