Cosa è 1 diviso per 0.2?

$\frac{1}{0.2} = \frac{0.2 + 0.2 + 0.2 + 0.2 + 0.2}{0.2}$ $1/0.2 = (0.2+0.2+0.2+0.2+0.2)/0.2$

$= \frac{5 \cdot 0.2}{0.2}$ $= (5*0.2)/0.2$

$= 5 \cdot \frac{0.2}{0.2}$ $= 5*0.2/0.2$

$= 5 \cdot 1$ $= 5*1$

$= 5$ $=5$