Question

calcule o valor de :
0,999... + 1/5 + 1/3
              3/5 - 1/15

Answer 1

$0,999...+ \frac{ \frac{1}{5} + \frac{1}{3} }{ \frac{3}{5} - \frac{1}{15} } =$

$= \frac{9}{9} + \frac{ \frac{3+5}{15}}{ \frac{9-1}{15}} =$

$= 1 + \frac{ \frac{8}{15}}{ \frac{8}{15}} =$

$= 1 + 1 =$

$=2$