Question

calcule.
a)
$\frac{7}{2} \div (1 + \frac{2}{5} \times \frac{15}{4} )$
​

Answer 1

Resposta:

$\frac{7}{5}$

Explicação passo-a-passo:

$\frac{7}{2} \div (1 + \frac{2}{5} \times \frac{15}{4} ) = \\ \frac{7}{2} \div (1 + \frac{3}{2} ) = \\ \frac{7}{2} \div \frac{5}{2} = \\ \frac{7}{2} \times \frac{2}{5} = \frac{7}{5}$