Respostas

2014-08-22T10:42:16-03:00
M=marcelo
P= pedro
L=lúcio
M= \frac{2}{7}
P=2* \frac{2}{7}
M+P+L=\frac{7}{7}
 \frac{2}{7} +2 \frac{2}{7} +L=\frac{7}{7}
L=7- \frac{2}{7} - 2\frac{2}{7}
L= \frac{1}{7}