January 2019 0 27 Report
1.Wykonaj działania :
a) (9x+2) + (-3x-2) =
b) (8a -2) + (9a-8 ) =
c ( 3x + 2) - (-3x+2) =
d (0,6x - 7) - ( 0,9x +1)=
2.Zapisz w postaci sumy :
a) -8(a-2b) =
b) 4(5x + 6) =
c)-8(4x-5) =
PLISS to bardzo ważne na jutro dam NAJ
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