Question

Alguém pode me explicar porque $\frac{1}{0,5} . 1 = 2$

Answer 1

$\displaystyle\frac{1}{0,5}\cdot 1 = 2\\\\\frac{1}{0,5} = 2\\\\\\\frac{1}{\frac{1}{2}} = 2\\\\\\\frac{1}{1}\cdot\frac{2}{1}=2\\\\\frac{2}{1}=2\\\\2=2$