(2x-5)/(x^2-5x+6)-1/(x-3)
问题描述：
(2x-5)/(x^2-5x+6)-1/(x-3)
答
(2x-5)/(x^2-5x+6)-1/(x-3)
=(2x-5-(x-2))/(x-2)(x-3)
=(x-3)/(x-2)(x-3)
=1/(x-2);
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,