January 2019 0 12 Report
Zredukuj wyrazy podobne :
a) -7 +3y+9+2y=
b) x-3x+2-2x-7=
c) -5x +4y-y-7x-9y=
d) 0,5a-2a+9-0,5a-11,5=
e)4x+5-x-4+x-3x=
f)-14k+9k-13+k+3+4k=
g)-3k +2m+5m-7+k-m=
h)2x-4+3x-2=
i)x-3y -2x+6y=
j)2y-5-3y-4-8y+9=
k)-5t + t-6-7t+8t+2+2t =
l)-7x+6y+3x-2y+x-3y=
Pomoże ktoś? Pliss
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