> 数学 >
解方程
(1)
x2-4x
x2-1
+1=
2x
x+1

(2)
5
x2+3x
-
1
x2-x
=0

(3)
2
x+1
+
3
x-1
=
6
x2-1

(4)
x
x-2
-
1-x2
x2-5x+6
=
2x
x-3

人气:482 ℃ 时间:2020-03-18 14:30:29
解答
(1)去分母得:x2-4x+x2-1=2x(x-1),整理得:2x=-1,解得:x=-12,经检验是分式方程的解;(2)去分母得:5(x-1)-(x+3)=0,解得:x=2,经检验x=2是分式方程的解;(3)去分母得:2x-2+3x+3=6,解得:x=1,经...
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