August 2018 2 10 Report
1.Zredukuj wyrazy podobne.
a)-4x-7-3x+7
b)x-2xy+½x-⅓xy
c)-x²+y²-2x²-2y²
d)-x²+2x-3x+x²
e)4x+4-7x-½
f)-2ab+12a-4ab-16a
2.Zredukuj wyrazy podobne i oblicz wartosci podobnych sum algeb.
dla x=⅓ i y=9
a)2x²-xy²-5x²+2xy²
b)-½x³y-⅔xy+½x³y-⅓xy

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