[tex] log_{2}(8) = 3 \\ {2}^{3} = 8[/tex]
[tex] (\frac{1}{2} ) {}^{ - 1} = \frac{2}{1} = 2[/tex]
[tex] \sqrt[3]{125} = \sqrt[3]{ {5}^{3} } = 5[/tex]
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[tex] log_{2}(8) + (\frac{1}{2} ) {}^{ - 1} - \sqrt[3]{125} = \\ = 3 + 2 - 5 = 5 - 5 = 0[/tex]
