Question

Срочно надо ДАЮ 25 баллов
$frac{5 {}^{4} times } {9 {}^{2} times } frac{(5 times 9) {}^{3} }{5 {}^{7} }$
5^4×(5×9)^3÷9^2×5^7

Answer 1

$frac{5 {}^{4}(5 times 9) {}^{3} }{9 {}^{2} times 5 {}^{7} } = frac{(5 times 9) {}^{3} }{9 {}^{2} times 5 {}^{3} } = frac{125 times 729}{9 {}^{2} times 5 {}^{3} } = frac{5 {}^{3} times 9 {}^{3} }{9 {}^{2} times 5 {}^{3} } = 9$