February 2019 0 15 Report
1. Doprowadź do najprostszej postaci
a) (4a^2-2ab-b^2)-(-a^2+b^2-2ab)+(3a^2-ab+b^2)
b) (-8x^3+4x^2-x+1)+(2x^3-3-x^2-6x)-(5x^3-8x^2-3x-1)
c) 3x-{5x-(2x-1)]
d) 9a^2 + {7a^2-2a-(a^2-3a)]
e) (5a^2-3b^2)+[-(a^2-2ab-b^2)+(5a^2-2ab-3b^2)]
f) 3a-{2c-[6a-(c-b)+c+(a+8b-bc)]}

2. Usuń nawiasy
a) 3x-(1/2x-2y+6)
b) (-4m+1/2n-5)*(-4m)
c) -4p*(q/4+3q/4-5/4)

3. Zredukuj wyrazy podobne
a) 2*(x-3)+3*(x+1)
b) (-3)*(2x-4y)-2*(x+3y)
c) -1/2*(2a-3b+1)+4*(1/2a+1/2b+2)
d) n*(m-2n+2)-2n*(m+n-3)

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