Question

O valor de 1/2+1/3 .1/2 é

A)1/10
B)2/3
C)5/12
D)7/6

Answer 1

Letra b   1/2 +1/6 = 3+1/6 = 4/6 :2 = 2/3

Answer 2

Boa noite!

$\frac{1}{2}\; +\; \frac{1}{3} \;x\; \frac{1}{2} \\ \\ Multiplica\;primeiro\\ \\ \frac{1}{2} \;+\; \frac{1}{6} \\ \\ mmc=6\\ \\ \frac{3\;+\;1}{6} \\ \\ \frac{4}{6} \\ \\ simplifica\;por\;2\\ \\ \frac{2}{3} \;\ \textless \ -- resposta\\ \\ alternativa\;b)$