> 数学 >
(1)(x-6)/(x-5)=6- 1/(5-x) (2)(x-1)/(x-2) +3=4x/(x-3)解格式如下
(1)(x-6)/(x-5)=6- 1/(5-x)
(2)(x-1)/(x-2) +3=4x/(x-3)解格式如下:
去分母
x=
把x= 代入 =
∴x= 是原方程的根(或增根)
人气:496 ℃ 时间:2020-06-08 03:53:16
解答
(1)(x-6)/(x-5)=6- 1/(5-x) 去分母两边同时乘以x-5x-6=6(x-5)+1整理得:x-6=6x-29即5x=23解得x=4.6把x=4.6代入(x-6)/(x-5)=6- 1/(5-x) ∴x=4.6是原方程的根(2)(x-1)/(x-2) +3=4x/(x-3)去分母:...
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版