Question

AJUDEM PUFAVOR

1-efetue

A-(-2/3). (-4/6)
B-(+2,3). (1,5)
C-(-4/5): (-3/6)
D-(+4,8). (-2)

Answer 1

Olá Tudo Bom!!

a)
$( - \frac{2}{3} ).( - \frac{4}{6} )$

$\frac{2}{3} . \frac{4}{6}$

$\frac{1}{3} . \frac{4}{3}$

$\frac{4}{9}$

b)
$( + 2.3) .( - 1.5)$

$- (2.3 \times 1.5)$

$\\ - 3.45$