50以内加减法演示教学
-
精品文档
50
以内口算练习一
班级
姓名
时间
_____
26
+
9
=
37
+
9<
/p>
=
14
p>
+
7
=
p>
35
+
8
=
8
+
28
=
19
+
24
=
17
+
13
=
15
+
8
=
26
< br>+
18
=
16<
/p>
+
16
=
<
/p>
44
-
9
=
p>
19
+
7
=
29<
/p>
+
15
=
p>
37
-
26
=
p>
27
+
18
p>
=
29
+
8
=
43
+
7
=
34
-
6
=
16
+
9
=
36
-
7
=
49
-
18
=
8
+
32
=<
/p>
33
+
p>
5
=
24
+
6
=
32
-
9
=
< br>6
+
28
=
10
+
16
=
41
-
6
=
28
+
5
=<
/p>
6
+
28
=
16
+
15
=
15
+
23
=
精品文档
4
+
16<
/p>
=
26
+
8
=
25
+
7
=
28
+<
/p>
14
=
<
/p>
33
-
17
=<
/p>
18
+<
/p>
15
=
<
/p>
24
+
7
=
p>
43
-
26
=
9
+
19<
/p>
=
49
-
33
=
9
+
20
=
19
+
5<
/p>
=
7
+
25
=
30
+
6
=
40
+<
/p>
7
=
14
+
29
=
42
+
7
=
45
+
3<
/p>
=
19
p>
+
26
=
p>
34
+
7
=
19
+
28
=
27
+
4
=
29
+
15
=
33
+
9
=
p>
26
+
9
=
28
+
7
=
18
+
23
=
7
+
40
=
10
+
40
=
6
+
35
=
< br>
18
+
5
=
15
+
9
=
35
+
7<
/p>
=
46
p>
+
4
=
6
+
38<
/p>
=
42
+
8
=
27
+
9
=
18
+<
/p>
5
=
28
+
3<
/p>
=
8
+
16
=
42
-
18
=
19
+
5<
/p>
=
14
+
17
=
35
+
7
=
5
+
45<
/p>
=
6
+
20
=
16
+
28
=
37
+
9<
/p>
=
9
+
24
=
27
+
7
=
27
+<
/p>
14
=
<
/p>
47
-
5
=
p>
36
+
9
=
15
-
8
=
29
+
11
=
37
-
6
=
17
+
14
=
35
+
< br>8
=
43
-
8
=
16
+
33
=
5
+
36
=<
/p>
40
+
9
p>
=
38
+
5
=
41
+
6
=
25
+
7
=
27
+
18
=
8
+
40
=
35
+
6
=
精品文档
50
以内口算练习二
班级
姓名
时间
_____
43
-
6
=
32
-
19
=
22
-
9
=
38<
/p>
-
29
=
<
/p>
33
-
6
=
p>
12
+
28
=
41
-<
/p>
37
=
44
-
25
=
41
-
39
=
<
/p>
26
+
19
=<
/p>
25
-
6<
/p>
=
42
p>
+
8
=
p>
19
+
5
=
48
-
9
=
25
+
19
=
26
-
4
=
42
-
18
=
35
-
7
=
p>
15
+
25
=
p>
18
+
26<
/p>
=
7
+
p>
25
=
17
+
12
=
9
+
22
=
50
-
49
=
9
+
14
=
32
-
19
=
19
+
16
=
26
-
19
=
9
+
28
=
43
-
19
=
9
+
30
=
33
-
< br>19
=
精品文档
37
+
9
=
17+18
=
40
-<
/p>
4
=
36
-
18
=
34
-
10
=
34
-
4<
/p>
=
35
-
8
=
8
+
24
=
40
-<
/p>
18
=
<
/p>
27
+
18
=<
/p>
26
-<
/p>
18
=
<
/p>
28
+
8
=
p>
31
-
18
=
15
+
18
=
23
-
8
=
29
+<
/p>
18
=
<
/p>
42
-
8
=
p>
46
-
37
=
38
p>
-
11
=
p>
14
+
26
=
p>
44
-
7
p>
=
18
+
18
=
11
+
39
=
16
+
13
p>
=
27
+
p>
15
=
32<
/p>
-
7
=
17
+
27
=
50
-
27
=
2
7
+
16
=
43
-
27
=
17
+
2
4
=
14
+
17
=
17
+
28
=
26
-
17
=
20
+
1
7
=
4
7
-
18
=
36
-
19
=
22
+
18
=
34
-
9<
/p>
=
31
-
16
=
25
+
8
=
6
+
26<
/p>
=
30
-
16
=
16
+
5
=
40
-
16
=
36
+
8
=
50
-<
/p>
16
=
<
/p>
16
+
19
=<
/p>
32
-<
/p>
16
=
<
/p>
36
+
7
=
p>
33
-
16
=
31
-
15
=
27
-<
/p>
18
=
14<
/p>
+
24
=
p>
14
+
18
=
p>
40
-
12
p>
=
50
-
18=
24
+
15=
35
+
6
=
33
-
25
=
25
+
17
=
45
-<
/p>
15
=
35<
/p>
+
8
=
22
-
15
=
5
+
29
=
24
-
15
=
4
+
29
=
35
-
5
=
< br>
精品文档
50
以内口算练习三
班级
姓名
时间
_____
24
-
19
=
29
-
13
=
24
+
18
=
35
-
18
=
42
-
14
=
2
5
+
17
=
47<
/p>
-
10
=
<
/p>
13
-
4
=
p>
32
+
9
=
42<
/p>
-
3
=
11
-
2<
/p>
=
7
+
25
=
p>
30
-
24
=
p>
14
-
10
p>
=
18
+
26
=
44
-
6
=
7
+
17<
/p>
=
21
p>
-
15
=
p>
40
+
7
=
14
-
8
=
9
+
19
=
17
-
< br>10
=
10
+
40
=
20
-
10
=
28
-
15
=
27
-
15
=
26
-
2
=
16
-
10
=
20
+
7
=
p>
15
-
10
=
p>
12
+
16<
/p>
=
23
-<
/p>
15
=
精品文档
32
-
15
=
9
+
29<
/p>
=
42
-
36
=
16
+
16
=
25
-
6
=
7
+
25
=
36
-<
/p>
10
=
<
/p>
10
+
20
=<
/p>
29
-<
/p>
1
=
30
-
16
=
37
-
26
=
16
-
3<
/p>
=
35
-
1
=
22
+
8
=
44
-<
/p>
18
=
<
/p>
13
+
17
=<
/p>
39
-<
/p>
26
=
41
-
25
=
39
+
6
=<
/p>
34
-
p>
19
=
18<
/p>
+
18
=
<
/p>
46
-
9
=
p>
8
+
36
=
46
-
20
=
10
+
30
=
39
-
2
=
38
-
27
=
47
-
7
=
36
-
4
=
45
-
20
=
24
+
9
=
p>
40
-
22
=
p>
31
+
18<
/p>
=
40
-<
/p>
17
=
33
-
28
=
8
+
25<
/p>
=
46
-
9
=
19
+
30
=
27
-
18
=
5<
/p>
+
39
=
36
-<
/p>
30
=
<
/p>
19
+
24
=<
/p>
49
-<
/p>
3
=
48
-
38
=
37
-
28
=
46
-
5<
/p>
=
35
-
30
=
25
+
10
=
34
-
3
=
21
+
19
=
49
-
18
=
35
-
26
=
<
/p>
38
+
9
=
p>
45
-
8
=
17
+
27
=
48
-
29
=
43
-
8
=
46
-
40
=
17
+
25
=
49
-
14
=
< br>28
-
9
=
27
-
19
=
36
-
6
=
25
-
4
=
28
+
11
=
<
/p>
24
-
4
=
p>
25
+
20
p>
=
49
-
29
=
精品文档
50
以内口算练习四
班级
姓名
时间
_____
20
+
12
=
25
-
5
=
< br>
48
-
10
=
22
+<
/p>
13
=
35
-
6
=
47
-
18
=
24
+
14
=
45
-
27
=
2
7
-
20
=
25<
/p>
+
15
=
<
/p>
35
-
18
=<
/p>
37
-
30
=
26
+
16
=
25
-<
/p>
9
=
37
p>
-
14
=
23
+
17
=
49
-
10
p>
=
30
+
p>
16
=
33<
/p>
-
25
=
<
/p>
43
+
7
=
p>
43
-
10
=
34
p>
+
12
=
p>
41
-
12
=
p>
40
-
26<
/p>
=
25
-<
/p>
9
=
26
+
9
=
31
-
19
=
26
-
7
=
10
+
26
=
19
-
8
=
p>
28
+
2
=
16
-
9
=
精品文档
32
+
18
=
38
-
12
=
33
+
17
=
23
-
16
=
42
+
8
=
32
-<
/p>
11
=
<
/p>
24
+
13
=<
/p>
31
-<
/p>
2
=
25
+
7<
/p>
=
33
-
14
=
18
+
14
=
32
-
8
=
33
-
27
=
9
+
25<
/p>
=
28
+
5
=
34
+
7
=
33
+<
/p>
6
=
43
+
3
=
48
-
28
=
44
+
4
=
43
-
17
=
24
+
9
=
p>
42
-
20
=
p>
14
+
14<
/p>
=
41
-<
/p>
30
=
24
+
17
=
42
-
17
=
28
+
1
5
=
46
-
7
=
<
/p>
27
+
14
=<
/p>
41
-
37
=
29
+
15
=
2
3
+
19
=
43
-
27
=
43
+
4
=
p>
38
-
33
=
p>
24
+
p>
15
=
p>
30
-
18
=
p>
34
+
p>
10
=
p>
42
-
40
=
p>
24
+
p>
15
=
p>
31
-
24
=
p>
27
+
p>
19
=
p>
31
-
6
=
9
+
31
=
33
-<
/p>
6
=
18
+
13
=
26
+
10
=
18
+
16
=
32
-
8
=
35
-<
/p>
6
=
43
+
5<
/p>
=
28
-
p>
4
=
40
+
6
=
32
-
9
=
24
+
11
=
32
-
5
=
14
< br>+
16
=
21
-
5
=
45
-
28
=
43
-
15
=
41
-
27
=
3
5
-
15
=
37
-
16
=
8
+
25<
/p>
=
17
+
p>
14
=
25
p>
+
18
=
42
-
15
=
精品文档
50
以内口算练习五
班级
姓名
时间
_____
13
+
25
=
40
+
6
=
< br>
43
-
19
=
33
-<
/p>
16
=
19
+
9
=
35
-
18
=
36
+
9<
/p>
=
38
p>
+
7
=
26
+
5<
/p>
=
19
+<
/p>
15
=
29
-
7
=
42
-
13
=
30
-
28
=
16
+<
/p>
33
=
31<
/p>
-
14
=
p>
45
-
19
=
p>
33
-
19<
/p>
=
36
+<
/p>
8
=
44
-
6
=
28
+
5
=
32
-
18
=
41
-
19
=
21
-
13
=
39
-
15
=
18
-
10
=
20
+
17
=
19
-
10
=
31
+
16
=
23
-
5
=
4
+
27
=
33
-
10
=
34
+
12
=
精品文档
39
-
32
=
43
-
28
=
46
-
28
=
7<
/p>
+
32
=
31
-<
/p>
3
=
29
+
2<
/p>
=
35
-
8
=
32
-
14
=
49
-
26
=
17
-
1
=
22
+<
/p>
18
=
<
/p>
28
-
10
=<
/p>
32
+<
/p>
17
=
<
/p>
33
+
16
=<
/p>
24
+<
/p>
8
=
42
-
13
=
24
+
13
=
46
+
3
=<
/p>
30
+
p>
4
=
27
+
4
=
47
-
10
=
18
+
25
=
45
-
27
=
37
-
10
=
29
+
8
=
40
+
7
=
17
-
< br>2
=
30
+
13
=
28
-
23
=
46
+
4
=
43
-
27
=
24
+
9
=<
/p>
32
-
p>
23
=
14<
/p>
+
18
=
<
/p>
25
+
17
=<
/p>
42
-<
/p>
26
=
<
/p>
35
+
5
=
p>
26
+
8
=
27
+<
/p>
9
=
34
-
26
=
42
-
34
=
31
+
12
=
37
-
8
=
17
-<
/p>
3
=
13
+
24
=
48
-
30
=
14
+
25
=
43
-
18
=
34
+
10
=
32
-
24
=
24
+
15
=
35
+
6
=
p>
44
-
35
=
p>
34
+
9
=
19
+
16
=
15
+
27
=
31
-
15
=
41
-
28
=
34
-
10
=
39
-
29
=
17
-
4
=
< br>
23
+
15
< br>=
38
-
24
=
34
-
6
=
35
-
29
=
14
+
11
=
42
-
24
=
34
+<
/p>
16
=
精品文档
50
以内口算练习六
班级
姓名
时间
_____
43
-
26
=
27
-
19
=
32
-
9
=
28
-<
/p>
19
=
43
-
26
=
42
+
8
=<
/p>
31
-
17
=
44
-
15
=
3
1
-
9
=
p>
33
+
9
=
35
-
6
=
44
–
28
=
17
+
25
=
48
-
19
=
15
+
< br>19
=
36
< br>-
14
=
< br>42
-
18
=
< br>
35
-
17
=
15
+
25
=
28
+
6
=
7
+
25<
/p>
=
17
p>
+
13
=
p>
34
-
18
=
p>
38
-
19<
/p>
=
29
+<
/p>
14
=
22
-
19
=
19
+
16
=
46
-
1
9
=
19
+
18
=
43
-
19
=
19
+
13
=
31
-
1
9
=
精品文档
27
+
9
=
37
-<
/p>
18
=
<
/p>
30
-
14
=<
/p>
36
-<
/p>
18
=
<
/p>
34
-
10
=<
/p>
44
-<
/p>
24
=
<
/p>
45
-
18
=<
/p>
45
-<
/p>
17
=
<
/p>
49
-
18
=<
/p>
27
+<
/p>
18
=
<
/p>
36
-
18
=<
/p>
18
+<
/p>
18
=
<
/p>
21
-
8
=
p>
25
+
18
=
33
-
18
=
19
+
18
=
42
-
18
=
46
-
27
=
3
8
-
21
=
34
+
6
=<
/p>
34
-
p>
17
=
28<
/p>
+
18
=
<
/p>
16
+
29
=<
/p>
26
+
30
=
35
+
6
=
p>
37
-
29
=
p>
17
+
17<
/p>
=
45
-<
/p>
27
=
27
+
16
=
33
-
17
=
17
+
1
4
=
40
-
27
=
17
+
18
=
46
-
37
=
23
+
1
7
=
4
7
-
28
=
36
-
29
=
42
+
8
=
34
-<
/p>
19
=
<
/p>
31
-
16
=<
/p>
25
+<
/p>
18
=
<
/p>
42
-
18
=<
/p>
34
+<
/p>
12
=
<
/p>
26
+
15
=<
/p>
44
-<
/p>
26
=
<
/p>
26
+
18
=<
/p>
45
-<
/p>
36
=
<
/p>
36
+
9
=
p>
32
-
16
=
16
+
17
=
43
-
26
=
31
-
5<
/p>
=
37
-
p>
18
=
14
p>
+
34
=
14
+
18
=
35
-
12
=
46
-
8
=
26
+
15
=
44
-
18
=
46
-
18
=
25
+
17
=
31
-
25
=
< br>25
+
8
=
32
-
15
=
15
+
19
=
34
-
15
=
24
+
19
=
45
-
25
=