Question

Quanto vale:
(1/2)*3 . (1/2)*-2
_____________
2*3

Answer 1

$\frac{\frac{1}{2}.3.\frac{1}{\cancel{2}}.(-\cancel{2})}{2.3}$

$\frac{\frac{3}{2}.-1}{2.3}$

$\frac{-\frac{3}{2}}{2.3}$

$-\frac{\cancel{3}}{2}.\frac{1}{2.\cancel{3}}$

$\boxed{\boxed{-\frac{1}{4}}}$