Question

e) (-3/5).(-2/3)
(+1/4).(-2/5)​

Answer 1

Explicação passo-a-passo:

$\frac{ - 3}{5} . \frac{ - 2}{3} = \frac{ - 3. - 5}{5.3} = \frac{ - 15}{15} = - 1$

$\frac{1}{4} . \frac{ - 2}{5} = \frac{1. - 2}{4.5} = \frac{ - 2}{20} = \frac{ - 1}{10}$