August 2018 1 26 Report
24.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)

25.Zapisz w jak najprostszej postaci.
a) (a+b)-(2a-b)-(a-2b)
b) (2x-y+1)-(x+y)+(y-x)
c) -(kx+ny)-(3kx-2ny)+(5kx-3ny)
d) (2ab+a+3)-(3ab-a+3)
e) (4x²-3x)-(x+0,1x²)-(x²-0,1x)

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