Respostas

2014-07-23T12:06:28-03:00
 \frac{3}{4} =  \frac{x}{32}  \\ 
 \frac{32}{4} = 8
multiplica a fração por 8/8
 \frac{8}{8} .  \frac{3}{4} =  \frac{24}{32}
2 5 2