(1)(a³/3xy²)²÷(-ay/2x²)³;(2)y/(x²-xy)+xy/(2x-2y)(3)x/(x+2)- 2x-1/(x²+4x+4)(4)[x+2/(x²-2x)-x-1/(x²-4x+4)]÷4-x/x;(5)[a+2/(a²-2a)-a-1/(a²-4a+4)]×a-2/a÷4-a/a²;(6)x+3y/(

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(1)(a³/3xy²)²÷(-ay/2x²)³;(2)y/(x²-xy)+xy/(2x-2y)(3)x/(x+2)- 2x-1/(x²+4x+4)(4)[x+2/(x²-2x)-x-1/(x²-4x+4)]÷4-x/x;(5)[a+2/(a²-2a)-a-1/(a²-4a+4)]×a-2/a÷4-a/a²;(6)x+3y/(

(1)(a³/3xy²)²÷(-ay/2x²)³;(2)y/(x²-xy)+xy/(2x-2y)(3)x/(x+2)- 2x-1/(x²+4x+4)(4)[x+2/(x²-2x)-x-1/(x²-4x+4)]÷4-x/x;(5)[a+2/(a²-2a)-a-1/(a²-4a+4)]×a-2/a÷4-a/a²;(6)x+3y/(
(1)(a³/3xy²)²÷(-ay/2x²)³;(2)y/(x²-xy)+xy/(2x-2y)
(3)x/(x+2)- 2x-1/(x²+4x+4)(4)[x+2/(x²-2x)-x-1/(x²-4x+4)]÷4-x/x;(5)[a+2/(a²-2a)-a-1/(a²-4a+4)]×a-2/a÷4-a/a²;(6)x+3y/(x²-y²)-x+2y/(x²-y²)+2x-3y/(x²-y²);
求完整的解!

(1)(a³/3xy²)²÷(-ay/2x²)³;(2)y/(x²-xy)+xy/(2x-2y)(3)x/(x+2)- 2x-1/(x²+4x+4)(4)[x+2/(x²-2x)-x-1/(x²-4x+4)]÷4-x/x;(5)[a+2/(a²-2a)-a-1/(a²-4a+4)]×a-2/a÷4-a/a²;(6)x+3y/(
(1)-8a^3x^4/9y^7
(2)(2y+x^2y)/(2x^2-2xy)
(3)(x^2+1)/(x^2+4x+4)
(4)-1/(x^2-4x+4)
(5)1/(2-a)
(6)2/(x+y)
加减时,先通分,分之相加减.除以时,乘以倒数.