第1页共31页分数方程专项练习180题(有答案)(1)+X=,(2)X﹣=,(3)x+x=42,(4)=,(5)5x3×﹣=,(6)x+=,(7)+2x=,(8)12÷(x+)=1
2,(9)(10)(11)X×2=4×5,,第2页共31页(12)X﹣X=,(13)90×+x=20,(14)0
2x+=8﹣x,(15)X+(3X16﹣)÷=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第3页共31页(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,第4页共31页(38)+21
5=x,(39)﹣3x=,(40)+x=,(41)x+5×4=95(42)x﹣x=(43)﹣3χ=,(44)x﹣x=0
2,(45)y4﹣﹣y=18,(45),(46)×3+2
75x=,(47),(48)5x3×﹣=,(49)x=,第5页共31页(50)x+x=39,(51)7x3x=﹣,(52)x+=,(53)﹣=,(54),(54),(55)5x﹣=34(56)x﹣×6=(57)x+1
2x=25(58)84
5x=﹣,(59)x0
95×4=8
5﹣,(60)2x﹣=2+,第6页共31页(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=,(71)1﹣x=,(72)x+x=,(73)x+x=42,(74