August 2018 1 13 Report
Zredukuj wyrazy podobne.
a) -4x-7-3x+7
b) x-2xy+1/2x-1/3xy
c) -x²+y²-2x²-2y²
d) -x²+2x-3x+1/2
e) 4x+4-7x-1/2
f) -2ab+12a-4ab-16a

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)

Zapisz w postaci iloczynu.
a) 1/2 * 4(a+b)-1/2h(a+b)
b) z(x-y) - (y-x)

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