zapisz w jak najprostszej postaci:
c) -(kx+ny)-(3kn+2ny)+5kx-3ny)
d) (2ab+a+3)-(3ab-a+3)
e) (4x²-3x)-(x+0,1x²)-(x²-0,1x)
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c) -kx-ny-3kn-2ny+5kx-3ny=4kx-6ny-3kn
d) 2ab+a+3-3ab+a-3=-ab+2a
e) 4x²-3x-x-0,1x²-x²+0,1x=2,9x²-3,9x
Pozdrawiam i liczę na NAJ :)