September 2018 1 42 Report

Potęga o wykładniku całkowitym. Oblicz.

a) \frac{49 ^{-2} * 6}{7 ^{-4}}

b) [\frac {2 * [3,(3)] ^{-2} * 11 ^{2}}{33^{2} * 10 ^{-1}} - \frac{7^{-1} * 3 ^{-2} * 49}{(0,9)^{-1}}]^ {-2}

c) \frac{9^{-1} * 27^{-2} * 81}{(\frac{1}{9})^{2}} : \frac{25^{-1} * \frac{1}{4} * 10^{2}}{(5^{-1})^{3} * 125 * 2^{-3}}


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