分数方程练习题.doc

解方程练习题 姓 名
X－ X= 2X + = 3/4X + 1/5X = 3.6

X×=20× 1/4 + 10X = X – 3/20X = 68

X＋X＝121 5X－3×＝ X÷＝12

6X＋5/7-3/7 =8 3-X=：3/4

X：= ÷X= 2 X +6×=4X

：X= X = ： = X：

X：=： 3/2×32-4x= 29 x = 4-x

X－21×=4

6X＋5 =13.4 X-X= 4χ－6＝38

5X= :X= X÷=

X÷=12 =:X X=×

: =X: X-0.25= =3/10

4+0.7X=102 X+X=42 X=105-X

X-X=400 X-0.125X=8 =

X+X=18 X×( + )= x－0.375x=
x×+=4× X－X＝12　　 　5 X－2.4×5＝8

0.36×5- x = (x- 4.5) = 7 x- 25%x = 10

x- 0.8x = 16+6 20 x– 8.5= 1.5 x- x -4= 21

X＋1/4X=90 X－X= 7/12:X=5/8:6/7

X＋X＝121 5X－3×＝ X÷＝12