Question

calcular as expressões, efetuando-se primeiramente entre os parênteses:
a) (3/2+1/3) - 1/3=

Answer 1

3/2 ou 1.5
Espero ter ajudado

Answer 2

$( \frac{3}{2} + \frac{1}{3} )- \frac{1}{3} = \\ \\ ( \frac{9+2}{6} )- \frac{1}{3} = \\ \\ \frac{11}{6} - \frac{1}{3} = \\ \\ \frac{11-2}{6}= \frac{9}{6} ~~simplificando~~ \frac{9:3}{6:3} = \frac{3}{2}$