Question

Me ajudem por favor
( - 2/5 ) × ( - 5/2 ) =
Façam o calculo

Answer 1

Resposta:

Explicação passo-a-passo:

$=\frac{-2}{5}(\frac{-5}{2})\\\\=\frac{10}{10}\\\\=1$

Answer 2

$(-) \times(-) =+$

$\mathsf{\left(-\dfrac{2}{5}\right)\times\left(-\dfrac{5}{2}\right)=\dfrac{2\times5}{5\times2}=\dfrac{10}{10}=1}$