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小学分数方程专项练习180题

小学分数方程专项练习180题
小学分数方程专项练习180题

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×,

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