Question

решить срочьно!!!!!!​

Answer 1

$\frac{ {m}^{2} - mn }{ {m}^{2} } \div \frac{ {m}^{2} - 2mn + {n}^{2} }{nm} = \frac{m(m - n) \times mn}{ {m}^{2} \times( {m - n})^{2} } = \frac{n}{m - n}$