首页5年级下册异分母分数加减法

5年级 下册 - 异分母分数加减法

练习题数量: 100

显示答案:
难度:
运算类型:
最大分母:
50
算巧巧-口算天天练
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15
19
-
16
24
=
24
45
+
9
46
=
28
38
+
1
12
=
24
26
+
1
23
=
1
2
-
9
22
=
1
30
+
30
44
=
7
13
-
3
18
=
9
33
+
3
5
=
2
6
-
5
19
=
11
46
+
27
40
=
5
9
-
1
8
=
10
16
+
13
37
=
2
3
+
1
33
=
18
20
-
14
28
=
16
26
-
5
11
=
1
3
+
2
38
=
7
20
-
3
9
=
9
14
-
13
28
=
11
15
-
2
24
=
15
28
-
11
22
=
3
9
-
1
20
=
41
49
+
3
28
=
7
31
+
4
44
=
5
6
-
8
12
=
17
29
-
4
27
=
6
18
+
8
23
=
1
2
-
5
11
=
5
34
+
5
31
=
29
40
+
4
47
=
6
8
+
3
40
=
6
14
+
6
29
=
11
14
-
12
17
=
2
15
+
1
5
=
37
47
+
1
21
=
22
41
+
1
3
=
2
18
+
2
15
=
16
17
-
6
7
=
15
49
+
19
38
=
23
38
+
1
4
=
7
12
-
1
16
=
7
8
-
17
24
=
10
12
-
3
6
=
11
19
-
3
15
=
19
40
+
7
21
=
1
2
-
5
19
=
8
14
-
3
17
=
9
24
+
18
31
=
6
32
+
9
35
=
9
11
-
11
25
=
12
17
-
1
5
=
6
9
-
5
21
=
21
22
-
2
3
=
39
48
+
3
31
=
8
17
-
2
7
=
17
19
-
2
10
=
12
17
-
11
18
=
26
28
-
12
13
=
8
20
+
5
35
=
1
8
+
7
37
=
20
48
+
17
42
=
14
17
-
3
8
=
10
22
-
1
6
=
11
39
+
15
35
=
6
8
-
2
3
=
9
12
-
4
28
=
11
18
-
3
10
=
6
49
+
15
21
=
5
13
+
19
32
=
14
17
-
9
22
=
12
39
+
5
9
=
13
17
-
21
27
=
6
7
-
1
2
=
7
33
+
10
30
=
25
26
-
8
9
=
33
40
+
2
21
=
9
30
+
10
16
=
8
35
+
22
43
=
26
27
-
16
18
=
20
32
+
10
47
=
18
30
+
1
21
=
3
8
+
8
34
=
3
4
-
3
6
=
19
21
-
5
7
=
8
14
-
13
27
=
14
15
-
1
3
=
12
33
+
12
41
=
10
12
-
19
27
=
14
15
-
1
16
=
9
13
+
3
31
=
3
11
+
9
30
=
12
18
-
16
25
=
25
30
+
2
24
=
12
15
-
1
6
=
18
20
-
6
8
=
24
25
-
8
9
=
12
21
-
1
24
=
1
2
+
14
47
=
20
21
-
7
8
=
16
21
+
8
39
=
32
47
+
13
44
=