Question

calcule o valor das expressões (10/3 - 1/3) : (2/5 + 1/2)​

Answer 1

$\frac{10}{3} - \frac{1}{3}$

$\frac{9}{3}$

$\frac{2}{5} + \frac{1}{2}$

mmc= 10

$\frac{2}{10} + \frac{5}{10}$

$\frac{7}{10}$

$\frac{9}{3} \div \frac{7}{10}$

$\frac{9}{3} \times \frac{10}{7}$

$\frac{90}{21}$