September 2018 1 9 Report

Potęga o wykładniku całkowitym ujemnym:

1.Oblicz

A.(\frac{1}{5})^{-1}+(\frac{1}{5})^{-2}

B.(\frac{1}{3}-\frac{1}{2})^{-1}

C.(\frac{1}{3}-\frac{1}{5})^{-3}:(\frac{1}{5}+\frac{1}{3})^{-3}

2.Oblicz

A.(\frac{1}{7})^{-1}

B.(((\frac{1}{7})^{-1})^{-1})^{-1}

C.(((\frac{1}{1})^{-1})^{-1})^{-1}


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