August 2018 2 9 Report
Wykonaj działania
a) -(x+4)+(x-5)
b) 1-(t+p)-(t-2)
c) -(-y+2)+(-2y-4)
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Zapisz w jak najprostszej postaci.
a) (a+b)-(2a-b)-(a-2b)
b) (3x-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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