分数解方程练习题(一)
x - 27 x =43
2x + 25 = 35 0.7x + 0.2x = 3.6
x ×5
3=20×4
1
0.25 + 10x =
54 5x -3×21
5=7
5
x – 0.15x = 68 x +8
3
x =121 32x ÷4
1
=12
6x +5 =13.4 834143=+X 21x + 61
x = 4
4x -3 ×9 = 29 x +87x =43 4x -6×3
2=2
12
5÷x =3
109
8x=
6
1×
51
16x÷
35
6=
45
26÷
25 13
班级 姓名 成绩
x ×3
2+2
1=4×8
3 X -7
3X =12 5 X -2.4×5=
8
0.36×5- 34 x = 35 23 (x- 4.5) = 7 1
2 x- 0.25x = 10
x- 0.8x = 16+6 20 x – 8.5= 1.5 x- 4
5 x -4= 21
X +3
2
X=90
X -37 X= 8
9
185+X = 12
11
3X –1.4×2=1.1
5214
6333
x x --= X+32–21=1817
班级 姓名 成绩
X - 27 X=43
2X + 25 = 35 70%X + 20%X =
3.6
X ×5
3=20×4
1 25% + 10X =
5
4 X - 15%X = 68
X +8
3X =121 5X -3×
21
5
=75
32
X ÷4
1=12
6X +5 =13.4 83
4143=+X 3X=8
3
X ÷7
2=
16
7
X +8
7X=4
3 4X -6×3
2=2
班级 姓名 成绩 125 ÷X=3
10 5
3
X =
72
25
9
8 X =
6
1×51
16
X ÷ 356=45
26
×2513
4x -3 ×9 = 29 21
x + 6
1x = 4
103
X -21×3
2=4
204
1
=+
x x 8)6.2(2=-x
6X +5 =13.4 25 X-13 X=3
10 4χ-6=38
5X=19
15
21
8
X=154 X ÷5
4=28
15
班级 姓名 成绩
32
X ÷4
1=12
53
X=72
25
98
X=6
1×51
16
X ÷356=45
26
÷2513
X-0.25=41
4
X
=30%
4+0.7X=102 32
X+2
1X=42 X+4
1X=105
X-8
3X=400 X-0.125X=8
X
36 =
4
3
X+37 X=18 X ×( 16 + 38 )=13
12 x -0.375x=6
5