(完整版)六年级上册分数解方程练习题.doc
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六年级分数解方程练习题
班级
25% + 10X =
4
5
姓名
成绩
X - 15%X = 68
X + 3
X =121
5X - 3× 5 =
5
2
X ÷ 1 = 12
8 21
7
3
4
3 1 3 3X=
3 6X + 5 =13.4
X
8
8
4
4
X ÷ 2 = 7
X + 7 X=
3
4X
-6× 2
=2
7 16 8
4
3
12
3 3 X = 25 8 X = 1 × 16 5
÷ X=
10
5
72
9
6
51
X
÷ 6 =
26 × 13
4 x - 3 ×9 = 29
1
x + 1
x = 4
35 45
25
2
6
3
X - 21×
2
=4
x
1 x 20
2(x 2.6) 8
10
3
4
2 1 3
6X + 5 =13.4
5 X- 3
X=
10
4χ- 6= 38
5X=
15
8
X= 4
X
÷ 4 = 15
19
21
15
5 28
2
X ÷ 1
=12
3 X=25
8
X=1 × 16
3 4
5
72
9
6
51
X ÷ 6 = 26 ÷
13
X-0.25=
1 X
=30%
35 45 25
4
4
4+0.7X=102
2
X+1
X=42
X+
1
X=105
3 2
4
X- 3
X=400
X-0.125X=8
36 =
3 8
X
4
3
X 1 3 13
-0.375x=
5
X+ X=18 × ( + )= x
7 6 8 12 6
x×2
+
1
=4×
3
X -3 X= 12 5 X - 2.4 ×5= 8 3 2 8 7
3 3 2 1
0.36 × 5- 4 x = 5 3 (x- 4.5) = 7 2 x- 25%x = 10
4
x- 0.8x = 16+6 20 x – 8.5= 1.5 x- 5 x -4= 21
3 8
X+ 25%X=90 X -7 X= 9 解:( 1)( 12×3/4 +12×2/3 )x=8/3
(9+8)x=8/3
17x =8/3 x
= 8/3 ÷17
x= 8/51
(2) 7x/15 =3/4 ×4/15 ×9/17
7x/15 = 9/85 x
= 9/85 ÷7/15
x= 27/119
(3)( 15×1/3 +15×2/5 ) x= 20
(5+6)x=20
11x=20
x= 20÷11
x= 20/11
(4)2x-3x/7 =6
11x/7 = 6
x= 6÷11/7
360÷[(12+ 6)×5]
288÷[(26- 14)×8]
500×6-(50 ×2-80)
(105×12-635 )÷25
864÷[(27- 23)×12]
(45+38 -16 )×24
500-( 240 + 38×6)
[64 -( 87- 42)] ×15
( 845 -15×3)÷1612×[(49 -28 )÷7] 450÷[(84- 48] )÷12
(58+37 )÷( 64-9 ×5)
95÷(64-45 )
178-145 ÷5×6+42
812-700 ÷(9+31×11)
85+14×(14+208÷26 )
(284+16 )×(512-8208÷18)
120-36 ×4÷18+35
(58+37 )÷( 64-9 ×5)
(6.8-6.80×.55) ÷8.5
0.12 ×4.8 ÷0.12 ×4.8
(3.2 ×1.5+2.5 )÷1.6
6-1.6 ÷4= 5.38+7.85-5.37=
7.2 ÷0.8-1.2×5= 6-1.19×3-0.43=
6.5 ×(4.8-1.2×4)=
5.8 ×(3.87-0.13 )+4.2 ×3.74
32.52- (6+9.728 ÷3.2 )×2.5
[(7.1-5.6 )×0.9-1.15]2÷.5
5.4 ÷[2.6 ×(3.7-2.9 )+0.62]
12×6÷(12-7.2 )-6
12×6÷7.2-6
0.68 ×1.9+0.32 ×1.9
(58+370 )÷(64-45 )
420+580-64 ×21÷28
(136+64 )×(65-345÷23 )
48.10.15-10.750×.4-5.7
388+(5000-1000)
158+262+138
375+219+381+225