Question

Упрастите выражение:(9х²у):(3ху)²
(-х²у³z):(xyz)​

Answer 1

$1)(9x ^ { 2 } y) \div (3xy) ^ { 2 } = \frac{9x^{2}y}{3^{2}x^{2}y^{2}} = \frac{9x^{2}y}{9x^{2}y^{2}} = \frac{1}{y} \\ 2)(-x ^ { 2 } y ^ { 3 } z) \div (xyz) = \frac{\left(-x^{2}\right)y^{2}}{x} = \frac{-x^{2}y^{2}}{x} = -xy^{2}$