October 2018 1 39 Report

zad.1 oblicz, korzystająć z własności potęg:

a) \frac{8^2*16}\frac{2^{11}:64}

b) \frac{(3^3)^4*(3^5)^{-2}}\frac{3^4}

c) \frac{(a^{-3})^5:a^{-3}*a^{-2}}\frac{(a^4)^{-2}:(a^{-3})^{-5}}

zad.2

Jakim procentem liczby a jest liczba b:

a=(-1)^2*(\frac{1}{2})^{-1}+\sqrt{9}

b=\frac{\sqrt[3]{27}}{-1}}*(-1\frac{1}{3})


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