October 2018 2 45 Report

Zapisz wyrazenia,nie uzywajac nawiasów.Zredukuj wyrazy podobne a) 2a+(3a-7) b) x-(2x-3) c) 3x-(y-2x) d) -(3a+6)-4 e) -2(x-1)-(3x+1) f) (4a-7b)-(2a+3b) g) (2p-r)+(2r-p) h) (x+y)+(x-z)+(z-y)


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