Question

计算：(2x/3y)^2*(2y/3x )^3次方/ (1/4的xy)=

Answer 1

(2x/3y)^2*(2y/3x )^3次方/ (1/4的xy)

=(2x/3y)^2*(2y/3x )^2*(2y/3x )/ (1/4的xy)

=(4/9)^2*(2y/3x )/ (1/4的xy)

=(16/81)*(2y/3x )/ (1/4的xy)

=(32y/243x)/ (1/4的xy)

=128/243x^2