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)÷=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×,