(完整版)六年级上册分数解方程练习题
玛丽莲梦兔
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2021年01月27日 17:33
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六年级分数解方程练习题
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成绩
25% + 10X =
4
X - 15%X = 68
X
+
3
8
X
=
121 5X
6X
+
5 =13.4
X
÷
2
=
7
7
16
X
12
5
÷
X=
3
10
X
÷
6
=
26
×
13
35
45
25
5
-
3
×
5
21
=
5
7
2
3
X
÷
1
4
=
12
3
4
X
1
4
3
8
3X=
3
8
+
7
8
X=
3
4X
-
6
×
2
4
3
=2
3
5
X =
25
72
8
9
X =
1
6
×
16
51
x
-
3
×
9 = 29
1
x
+
1
2
6
x
= 4
1
4
3
X
-
21
×
2
=4
x
1
x
20
2
(
x
2
.
6
)
8
10
3
4
2
1
3
6X
+
5 =13.4
X-
X=
4
χ-
6
=
38
5X=
15
19
2
X
÷
1
3
4
=12
X
÷
6
=
26
45
÷
13
35
25
4+0.7X=102
X-
3
8
X=400 X-0.125X=8
5
3
10
8
21
X=
4
15
X
3
5
X=
25
72
1
4
2
3
X+
1
2
X=42 X+
2
÷
4
=
15
5
28
8
9
X=
1
6
×
16
51
X
4
=30%
1
4
X=105
36
=
3
X
4
X-0.25=
3
1
3
13
X+
X=18 X
×
(
+
)=
x
-
0.375x=
5
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-
x =
(x- 4.5) = 7
x- 25%x = 10
4
5
3
2
4
x- 0.8x = 16+6 20 x
–
8.5= 1.5
x-
x -4= 21
5
3
8
X
+
25%X=90 X
-
X=
解:(
1
)(
12×
3/4
7
9
+
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
+
1 5×
2/5
)
x
=
20
(
5
+
6
)
x
=
20
11x
=
20
x
=
20÷
11
3
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
)
(6.8-6.8×
0.55)÷
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
)
×< br>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
(
13 6+64
)
×
(
65-345÷
23
)
48.10.15-10.75×
0.4-5.7
388+(5000-1000)
158+262+138
375+219+381+225
4