Question

Aflați numărul rațional​

Answer 1

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

$x = (4 \div \frac{8}{5} + 1) \div (7 - (2 \times 3))$

$x = (4 \times \frac{5}{2} + 1) \div (7 - 6)$

$x = ( \frac{5}{2} + 1) \div 1$

$x = \frac{7}{2}$