February 2019 0 14 Report
Proszę o wykonanie ! Duża ilość punktów !
Wykonaj dodawanie i zredukuj wyrazy podobne :
a) 7x+(5x-3)-4x+1=
b)7k-(m-2n+k)-(5k-3)+(2k-1)=
c) -(3x+2y+2)-(-4x+3y-1)=
d)(3x-4)+(5x+6)=
Bardzo potrzebuje tego na jutro !
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