Question

5^{13} *125^{2} /25^{9}

Answer 1

решение во вложении:

Answer 2

$frac{ {5}^{13} *12 {5}^{2} }{ {25}^{9} } = frac{ {5}^{13}* {5}^{6} }{ {5}^{18} } = frac{ {5}^{6} }{ {5}^{5} } = 5$