x>0 y>0 化简4x^(√2/2)*3x^-(√2/2) * (-y√3)^-(√3/3)x>0 y>0 化简4x^(√2/2)* 3x^-(√2/2) * (-y√3)^-(√3/3)(二分之根号二方) （负的二分之根号二方)(负的三分之根号三方)

x>0 y>0 化简4x^(√2/2)*3x^-(√2/2) * (-y√3)^-(√3/3)x>0 y>0 化简4x^(√2/2)* 3x^-(√2/2) * (-y√3)^-(√3/3)(二分之根号二方) （负的二分之根号二方)(负的三分之根号三方)
x>0 y>0 化简4x^(√2/2)*3x^-(√2/2) * (-y√3)^-(√3/3)
x>0 y>0 化简4x^(√2/2)* 3x^-(√2/2) * (-y√3)^-(√3/3)
(二分之根号二方) （负的二分之根号二方)(负的三分之根号三方)

x>0 y>0 化简4x^(√2/2)*3x^-(√2/2) * (-y√3)^-(√3/3)x>0 y>0 化简4x^(√2/2)* 3x^-(√2/2) * (-y√3)^-(√3/3)(二分之根号二方) （负的二分之根号二方)(负的三分之根号三方)
4x^(√2/2)* 3x^-(√2/2) * (-y^√3)^-(√3/3)
=-12x^(√2/2-√2/2)*y^(-√3*√3/3)
=-12x^0*y^(-1)
=-12/y

4x^(√2/2)* 3x^-(√2/2) * (-y√3)^-(√3/3)
=12x^(√2/2-√2/2)* (-y)/(√3)^(√3/3))
=12x^(0)* (-y)/(3^(√3/6))
=-12y/(3^(√3/6))
=-4y*(3^(1-√3/6))