分数方程专项练习题(有答案)
-
小学数学专项训练
p>
分数方程专项练习
180
题(有答案)
p>
(
1
)
+X=
,
(
2
)
X
﹣
=
,
< br>(
3
)
x+
x=42
,
(
< br>4
)
=
,
(
5
)
5
x
﹣
3
×
=<
/p>
,
(
6
)
x+
=
,
(
7
)
+2x=
,
(
8
)
12
÷
(
x+
)
=1.2
,
(
9
)
(
10
)
小学数学专项训练
(
11
)
X
< br>×
2=4
×
5
< br>,
,
(
p>
12
)
X
﹣
X=
,
(
13
)
90
×
+
x=20
,
(
14
)
0.2x+
=8
﹣
x
,<
/p>
(
15
)
p>
X+
(
3X
﹣
p>
16
)
÷
=10<
/p>
(
X+1
)
,<
/p>
(
15
)
=
p>
,
(
16
)
X
﹣
X=1
,
(
17
)
x+
x=42
(
18
)
p>
,
(
19
)
﹣
=1
,
(
20
)
2X+1
p>
=2
,
(
21
)
﹣
x=
小学数学专项训练
(
22
)
x+2
=4.25
(
23
)<
/p>
x
﹣(
1
+
p>
)
=4.5
(
2
4
)
37.5+
+x=69
(
25
)
,
(
26
)
x=2.4
×
5
,
(
27
)
x
﹣
+
< br>=
,
(
28
)<
/p>
x+
x=121
,
(
29
)
(
x+
)
×
7
=8.1
,
(
30
)
=
,
(
31
)
4x+
=5
,
(
32
)
+x=9
,
(
33
)
x
﹣
x=
,
小学数学专项训练
(
34
)
x+
x=11
,
(
35
)
2x+
=4.625
,
(
36
)
﹣<
/p>
2X=
,
(<
/p>
37
)
x
﹣
p>
x=2
,
(
p>
38
)
+21.5=
x
,
(
39
)
﹣
3x=
,
(
40<
/p>
)
+
x=
,
p>
(
41
)
x+5
×
4=95
(
42
)
x
﹣
x=
(
43
)<
/p>
﹣
3
χ
=
,
(
44
)
x
﹣
x=0.2
p>
,
(
45
)
y
﹣
4
﹣
y=18
,
小学数学专项训练
(
45
)
,
< br>
(
46
)
×
3+2.75x=
,
(
47
)
,
(
48
)
5x
﹣
3
×
=
,
(
49
< br>)
x=
,
(
50
)
x+
x=39
,
(
51<
/p>
)
7x
﹣
3x=
,
(
52<
/p>
)
x+
=
,
p>
(
53
)
﹣
=
,
(
54
)
,
(
54
)
,
(
55
)
5x
﹣
=34
小学数学专项训练
(
56
)
x
< br>﹣
×
6=
(
57
)
x+1.2x=25 <
/p>
(
58
)
8
p>
﹣
4.5x=
,
(
59
)
x<
/p>
﹣
0.95
×
4
=8.5
,
(
60
)
2x
﹣
=2+
< br>,
(
61
)
x+
x=
,
(
62<
/p>
)
x
﹣
=2
p>
﹣
,
(
63
)
﹣
=2.5
p>
,
(
64
)
x=18
,
p>
(
65
)
x
﹣
=
,
(
66
)
x
﹣
x=
,
(
67
)
,
< br>
小学数学专项训练
(
68
)
,
(
69<
/p>
)
x
﹣
x=
p>
,
(
70
)
1.25
:
0.2
5=
,
(
7
1
)
1
﹣
x=
,
(
72<
/p>
)
x+
x=
,<
/p>
(
73
)
p>
x+
x=42
,
(
74<
/p>
)
x+0.25=
,
(
75
)
x=10
×
,
(
76
)
x+
x=2
,
(
77
)
x
×
(
1
﹣
37.5%
< br>)
=
,
(
78
)
(
x+
)
=2
,
(
79
)
x=50
×
,
小学数学专项训练
(
80
)
x+
x=42
,
(
81
)
4+
x=102
,
p>
(
82
)
X+
X=
,
(
83<
/p>
)
X=
,
p>
(
84
)
(
1
﹣
)
X=
,
(
85
)
χ
﹣
χ
=
,
(
86
)
χ
=42
×
,
(
87
)
8x
﹣
×
3=
,
(
88
)
+<
/p>
=1
,
(
p>
89
)
3x
﹣
p>
×
=50%
,
(<
/p>
90
)
3x
﹣<
/p>
x=
,
(
p>
91
)
+x=
,<
/p>
小学数学专项训练
(
92
)
﹣
x=
×
,
(
93
)
÷
x=0.8
,
(
94
)
x+5
×
4=95
,
(
95
)
x
﹣
x
﹣
4=18
,
(
96
)
÷
ⅹ
=
,
(
97
)
x
×
=4
,
(
98
)
ⅹ<
/p>
=
,
(
99
)
ⅹ﹣
6=7<
/p>
,
(
100<
/p>
)
+5x=110
,
(
101
)
x
﹣
4=60
,
(
< br>102
)
x
﹣
< br>x=9
,
(
103
)
x
﹣
x=3.6
,
小学数学专项训练
(
104
)
÷
x=
(
105
)
=9.1
,
(
106
)
4
(
+x
)
=
,
(
107
)
×
0.25+
x=
,
(
108
)
x+
x=<
/p>
,
(
109<
/p>
)
,
(
110
)
,
(
111
)
+3x=
,
(
112
)
=
,
(
113
)
×
﹣
X=<
/p>
,
(
114<
/p>
)
x
÷
=30<
/p>
,
(
115<
/p>
)
﹣
x=7
,<
/p>
小学数学专项训练
(
116
)
x=
×
10
,
(
117
)
X
﹣
X=6
,
(
118
)
X
﹣
2=13
,
(
119
)
(
1
﹣
)
X=480
,
(
120
)
6X+
p>
X=39
,
(<
/p>
121
)
2.4
﹣
=3.2
﹣
x
,
(
1
22
)
,
(
123
)
,
(
124
)
X
﹣
X=
,
(<
/p>
125
)
6X+4.5=
,
(
126
)
80%X
﹣
0.6=4.2
,
(
127
)
X+
X=
,
小学数学专项训练
(
128
)
X+
X=
,
(
129
)
÷
x=
,
(
130
)
x
÷
=42
,
(
131
)
x+
=
,
(
132
)
X
﹣
=
,
(
133
)
X+
< br>X=3
,
(
134
)
X+
=
×
8<
/p>
,
(
134<
/p>
)
,
(
135<
/p>
)
,
(
136<
/p>
)
x
﹣
7.5=
,
(
137
)
2X+
=1
,
(
138
)
X
÷
=
,<
/p>
小学数学专项训练
(
139
)
X
﹣
X=1.5
,
(
140
)
x=28
×
p>
,
(
141
)
p>
(
x+3
)
×
p>
=48
,
(
p>
142
)
x
﹣
p>
=
,
(
143
)
,
(
144
)
2
÷
x=2
,
(
145
)
3
﹣
4x=
2
,
(<
/p>
146
)
x
÷<
/p>
=
÷
(
147
)
÷
x=
p>
÷
.
(
148
)
X
﹣
25%X=135
,
(
149
)
X
﹣
12.5
×
4=0
< br>,
(
150
< br>)
x+
×
=1
< br>,
小学数学专项训练
(
151
)
x
×
(
p>
﹣
)
=
,
(
152
)
8
×
﹣
1.5x=1.
1
,
(
15
3
)
x
x=2
,
(
154
)
x
﹣
=
,<
/p>
(
155<
/p>
)
x
﹣
x=15
,
(
156
)
X
÷
=
p>
,
(
157
)
(
X
﹣
)
=
,
(
158
)
X+
X=
×
,
(
159
)
﹣
x=
,
(
160
)
x+0.75
﹣
=0.15
,
(
161
)
2
x+
=4.625
,
(
162
)
÷
4.8x=15.8
,
小学数学专项训练
(
163
)
x=14
,
(
164
)
x+
x=2.1
,
<
/p>
(
165
)
2.
7
÷
120%x=9
,
(
166
)
(
13
﹣
X
< br>)
×
=6
,
(
167
)
x
﹣
21
×
=4
< br>(
168
)
1
< br>x+
x=
(
168
)
x
×
(
﹣
p>
)
=
(
169
)
2
+x=5<
/p>
,
(
170<
/p>
)
4x
﹣
=
p>
;
(
171
p>
)
x
÷
=
(
172
)
x
﹣
x=3
(
173
)
6x
﹣
p>
3.5x=
÷
小学数学专项训练
(
174
)
﹣
3X=
(
175
)
(
176
)
5
X
﹣
3
×
<
/p>
(
177
)
x<
/p>
×
×
=5
(<
/p>
178
)
χ
=<
/p>
,
(
179<
/p>
)
χ
+
χ
=
,
(
180
)
x=
(
18
1
)
x+15=40
(
182
)
x
÷
=
p>
专项练习参考答案:
(
1
< br>)
+X=
,
p>
+X
﹣
=
﹣
,
X=
;