Question

Упростить выражение............

Answer 1

(4/9х^2у^4)*18х^2у^3=4*2/у=8/у=8у^-1

Answer 2

$( \frac{3x}{2y^-^2})^-^2 * 18x^2y^3 = \frac{(2)^2}{(3xy^2)^2} *18x^2y^3 = \frac{4}{9x^2y^4}*18x^2y^3 = \\ = 8y^-^1$