Question

(1/m)-²:n-²помогите срочно

Answer 1

Ответ:

$\frac{ {( \frac{1}{m} )}^{ - 2} }{ {n}^{ - 2} } = \frac{ \frac{1}{ {( \frac{1}{m} )}^{2} } }{ \frac{1}{ {n}^{2} } } = {m}^{2} \div \frac{1}{ {n}^{2} } = { m}^{2} {n}^{2}$