(1)(a²-ab)÷(ab分之b-a ) (2)(x²-1分之x+3)÷(x²-2x+1分之(x+3)(x-1))
问题描述:
(1)(a²-ab)÷(ab分之b-a ) (2)(x²-1分之x+3)÷(x²-2x+1分之(x+3)(x-1))
答
(1)(a²-ab)÷(ab分之b-a ) (2)(x²-1分之x+3)÷(x²-2x+1分之(x+3)(x-1))