September 2018 2 27 Report

Oblicz wartości liczbowe wyrażeń.

a) -4x+5y dla x= - \frac{1}{2} y=0,2

b) -3a^{2} + b^{3} dla a = -1 b=-0,5

c) (2-\frac{1}{a}) * (\frac{2}{b} - b^{2}) dla a=2 b=-4

d)2x-3y^{2} + 4z^{3} dla x=-4 y=-2 z=\frac{-1}{2}

e)\frac{3x+2}{x^{2}} dla x= - \frac{3}{4}

Proszę o dokładne obliczenia, a nei same wyniki.;)


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