Question

-2/3.-1/2+1/6:2/3 expressoes numericas???

Answer 1

-2/3.-1/2 + 1/6 : 2/3 =
2/6 + 1/6.3/2 =
2/6 + 3/12 =
4/12 + 3/12 =
7/12

Answer 2

$\mathsf{ \dfrac{-2}{3}\cdot \dfrac{-1}{2} + \dfrac{ \dfrac{1}{6} }{ \dfrac{2}{3} } = \dfrac{2}{6} + \dfrac{1}{6} \cdot \dfrac{3}{2} = \dfrac{2}{6} + \dfrac{3}{12} = \dfrac{4}{12} + \dfrac{3}{12} = \dfrac{7}{12} }$