Question

Determine a expressão (-2/5+3/10)÷3/5=?

Answer 1

Oie, Td Bom?!

$= ( - \frac{2}{5} + \frac{3}{10} ) \div \frac{3}{5}$

$= - \frac{1}{10} \div \frac{3}{5}$

$= - \frac{1}{10} \times \frac{5}{3}$

$= - \frac{1}{2} \times \frac{1}{3}$

$= - \frac{1 \times 1}{2 \times 3}$

$= - \frac{1}{6}$

Att. Makaveli1996