Question

Qual o valor de M na expressão:
M = 0,333... x 1/2 - 1/6 + 2/3 : 0,555...

Answer 1

0.333...=1/3
0.555...=5/9

$\frac13\times\frac12-\frac16+\frac{\frac23}{\frac59}=\frac16-\frac16+\frac23\times\frac95=\frac16-\frac16+\frac65=\boxed{65}$