谁能给我一个分式方程的基础题
1个回答

(x-4)/(x-5)-(x-5)/(x-6)=(x-7)/(x-8)-(x-8)/(x-9)

(x-4)(x-6)-(x-5)(x-5)/(x-5)(x-6)=(x-7)(x-9)-(x-8)(x-8)/(x-8)(x-9)

(x*x-10x 24-x*x 10x-25)/(x-5)(x-6)=(x*x-16x 63-x*x 16x-64)/(x-8)(x-9)

-1/(x-5)(x-6)=-1/(x-8)(x-9)

(x-5)(x-6)=(x-8)(x-9)

x*x-11x 30=x*x-17x 72

x=7

分数线用/代替,不能输你懂得~