分数方程专项练习180题(有答案) 
(1)+X=
(2)X﹣=
(3)x+x=42,
(4)=
(5)5x﹣3×=
(6)x+=
(7)+2x=
(8)12÷(x+)=1.2,
(9)
(10)
(11)X×2=4×5,,   
(12)X﹣X=
(13)90×+x=20,
(14)0.2x+=8﹣x,
(15)X+(3X﹣16)÷分式方程练习题=10(X+1),
(15)=
(16)X﹣X=1,
(17)x+x=42
(18)
(19)=1,
(20)2X+1=2
(21)﹣x=   
(22)x+2=4.25
(23)x﹣(1+)=4.5
(24)37.5++x=69
(25),     
(26)x=2.4×5,
(27)x﹣+=
(28)x+x=121,
(29)(x+)×7=8.1,
(30)=
(31)4x+=5,
(32)+x=9,
(33)x﹣x=
(34)x+x=11,
(35)2x+=4.625,
(36)﹣2X=
(37)x﹣x=2,
(38)+21.5=x,
(39)﹣3x=
(40)+x=
(41)x+5×4=95
(42)x﹣x= 
(43)﹣3χ=
(44)x﹣x=0.2, 
(45)y﹣4﹣y=18,
(45)
(46)×3+2.75x=
(47)
(48)5x﹣3×=
(49)x=
(50)x+x=39,
(51)7x﹣3x=
(52)x+=
(53)=
(54)
(54)
(55)5x﹣=34
(56)x﹣×6=
(57)x+1.2x=25
(58)8﹣4.5x=
(59)x﹣0.95×4=8.5,   
(60)2x﹣=2+
(61)x+x=
(62)x﹣=2﹣
(63)=2.5,
(64)x=18,
(65)x﹣=
(66)x﹣x=
(67)
(68),     
(69)x﹣x=
(70)1.25:0.25=
(71)1﹣x=
(72)x+x=
(73)x+x=42,
(74)x+0.25=
(75)x=10×
(76)x+x=2
(77)x×(1﹣37.5%)=
(78)(x+)=2,
(79)x=50×
(80)x+x=42,
(81)4+x=102,
(82)X+X=, 
(83)X=
(84)(1﹣)X=
(85)χ﹣χ=
(86)χ=42×
(87)8x﹣×3=
(88)+=1,
(89)3x﹣×=50%,
(90)3x﹣x=
(91)+x=
(92)﹣x=×
(93)÷x=0.8,
(94)x+5×4=95,
(95)x﹣x﹣4=18,
(96)÷ⅹ=
(97)x×=4,
(98)ⅹ=
(99)ⅹ﹣6=7,
(100)+5x=110,
(101)x﹣4=60,
(102)x﹣x=9,
(103)x﹣x=3.6,
(104)÷x=
(105)=9.1,
(106)4(+x)=
(107)×0.25+x=
(108)x+x=
(109)
(110)
(111)+3x=
(112)=
(113)×﹣X=
(114)x÷=30,
(115)x=7,
(116)x=×10,
(117)X﹣X=6,
(118)X﹣2=13,
(119)(1﹣)X=480,
(120)6X+X=39,
(121)2.4﹣=3.2﹣x,
(122)
(123)
(124)X﹣X=
(125)6X+4.5=
(126)80%X﹣0.6=4.2,
(127)X+X=
(128)X+X=
(129)÷x=
(130)x÷=42,
(131)x+=
(132)X﹣=
(133)X+X=3,
(134)X+=×8,
(134)
(135)
(136)x﹣7.5=
(137)2X+=1,
(138)X÷=
(139)X﹣X=1.5,
(140)x=28×
(141)(x+3)×=48,
(142)x﹣=
(143)
(144)2÷x=2,
(145)3﹣4x=2
(146)=÷
(147)÷x=÷