广告
- 20以内的加减法下载打印
- 发布时间：2020-10-22 11:03 | 作者：admin | 来源：未知 | 浏览： 次
广告
|
5 |
+ |
4 |
= |
9 |
—— |
4 |
+ |
6 |
= |
10 |
—— |
16 |
- |
13 |
= |
3 |
|
8 |
- |
2 |
= |
6 |
—— |
8 |
- |
7 |
= |
1 |
—— |
10 |
+ |
12 |
= |
22 |
|
7 |
+ |
18 |
= |
25 |
—— |
11 |
+ |
2 |
= |
13 |
—— |
19 |
+ |
9 |
= |
28 |
|
1 |
- |
1 |
= |
0 |
—— |
20 |
+ |
10 |
= |
30 |
—— |
4 |
- |
2 |
= |
2 |
|
13 |
+ |
17 |
= |
30 |
—— |
5 |
- |
4 |
= |
1 |
—— |
5 |
- |
4 |
= |
1 |
|
3 |
- |
2 |
= |
1 |
—— |
13 |
+ |
12 |
= |
25 |
—— |
5 |
+ |
2 |
= |
7 |
|
8 |
+ |
12 |
= |
20 |
—— |
8 |
+ |
12 |
= |
20 |
—— |
3 |
- |
2 |
= |
1 |
|
20 |
- |
4 |
= |
16 |
—— |
20 |
- |
18 |
= |
2 |
—— |
6 |
+ |
1 |
= |
7 |
|
9 |
+ |
15 |
= |
24 |
—— |
3 |
- |
1 |
= |
2 |
—— |
13 |
- |
6 |
= |
7 |
|
2 |
+ |
17 |
= |
19 |
—— |
4 |
+ |
13 |
= |
17 |
—— |
16 |
+ |
9 |
= |
25 |
|
18 |
- |
5 |
= |
13 |
—— |
3 |
- |
1 |
= |
2 |
—— |
3 |
- |
3 |
= |
0 |
|
4 |
+ |
9 |
= |
13 |
—— |
18 |
+ |
7 |
= |
25 |
—— |
13 |
+ |
16 |
= |
29 |
|
3 |
- |
3 |
= |
0 |
—— |
16 |
+ |
13 |
= |
29 |
—— |
1 |
+ |
12 |
= |
13 |
|
16 |
+ |
5 |
= |
21 |
—— |
12 |
+ |
18 |
= |
30 |
—— |
12 |
+ |
7 |
= |
19 |
|
18 |
+ |
5 |
= |
23 |
—— |
18 |
- |
7 |
= |
11 |
—— |
7 |
+ |
9 |
= |
16 |
|
20 |
- |
3 |
= |
17 |
—— |
4 |
+ |
17 |
= |
21 |
—— |
6 |
+ |
9 |
= |
15 |
|
7 |
- |
3 |
= |
4 |
—— |
12 |
+ |
10 |
= |
22 |
—— |
8 |
+ |
15 |
= |
23 |
|
16 |
+ |
8 |
= |
24 |
—— |
4 |
+ |
18 |
= |
22 |
—— |
6 |
- |
1 |
= |
5 |
|
4 |
+ |
5 |
= |
9 |
—— |
2 |
- |
2 |
= |
0 |
—— |
17 |
+ |
10 |
= |
27 |
|
9 |
+ |
3 |
= |
12 |
—— |
9 |
+ |
6 |
= |
15 |
—— |
12 |
+ |
1 |
= |
13 |
|
20 |
+ |
7 |
= |
27 |
—— |
19 |
+ |
15 |
= |
34 |
—— |
13 |
+ |
16 |
= |
29 |
|
5 |
- |
2 |
= |
3 |
—— |
20 |
+ |
19 |
= |
39 |
—— |
18 |
- |
7 |
= |
11 |
|
20 |
+ |
3 |
= |
23 |
—— |
19 |
- |
4 |
= |
15 |
—— |
5 |
+ |
6 |
= |
11 |
|
16 |
+ |
9 |
= |
25 |
—— |
11 |
+ |
11 |
= |
22 |
—— |
8 |
+ |
20 |
= |
28 |
|
14 |
+ |
18 |
= |
32 |
—— |
5 |
- |
4 |
= |
1 |
—— |
13 |
+ |
1 |
= |
14 |
|
20 |
+ |
19 |
= |
39 |
—— |
13 |
- |
8 |
= |
5 |
—— |
12 |
- |
4 |
= |
8 |
|
17 |
- |
15 |
= |
2 |
—— |
11 |
+ |
13 |
= |
24 |
—— |
4 |
+ |
14 |
= |
18 |
|
8 |
- |
5 |
= |
3 |
—— |
10 |
- |
5 |
= |
5 |
—— |
20 |
- |
2 |
= |
18 |
|
14 |
- |
7 |
= |
7 |
—— |
12 |
- |
8 |
= |
4 |
—— |
12 |
- |
11 |
= |
1 |
|
12 |
+ |
1 |
= |
13 |
—— |
16 |
+ |
12 |
= |
28 |
—— |
13 |
- |
3 |
= |
10 |
|
12 |
- |
11 |
= |
1 |
—— |
12 |
- |
6 |
= |
6 |
—— |
2 |
- |
2 |
= |
0 |
|
3 |
+ |
9 |
= |
12 |
—— |
8 |
- |
3 |
= |
5 |
—— |
7 |
- |
7 |
= |
0 |
|
1 |
- |
1 |
= |
0 |
—— |
13 |
- |
6 |
= |
7 |
—— |
20 |
+ |
1 |
= |
21 |
|
10 |
- |
1 |
= |
9 |
—— |
6 |
- |
1 |
= |
5 |
—— |
5 |
- |
1 |
= |
4 |
|
1 |
- |
1 |
= |
0 |
—— |
7 |
- |
6 |
= |
1 |
—— |
2 |
+ |
18 |
= |
20 |
|
5 |
+ |
20 |
= |
25 |
—— |
17 |
- |
14 |
= |
3 |
—— |
18 |
+ |
7 |
= |
25 |
|
5 |
+ |
12 |
= |
17 |
—— |
12 |
- |
3 |
= |
9 |
—— |
8 |
+ |
6 |
= |
14 |
|
11 |
+ |
18 |
= |
29 |
—— |
7 |
+ |
11 |
= |
18 |
—— |
1 |
- |
1 |
= |
0 |
|
12 |
+ |
14 |
= |
26 |
—— |
15 |
- |
5 |
= |
10 |
—— |
16 |
+ |
16 |
= |
32 |
|
4 |
+ |
5 |
= |
9 |
—— |
10 |
+ |
2 |
= |
12 |
—— |
8 |
- |
3 |
= |
5 |
|
12 |
- |
1 |
= |
11 |
—— |
16 |
- |
14 |
= |
2 |
—— |
4 |
+ |
1 |
= |
5 |
|
6 |
+ |
9 |
= |
15 |
—— |
9 |
+ |
7 |
= |
16 |
—— |
1 |
- |
1 |
= |
0 |
|
16 |
- |
12 |
= |
4 |
—— |
7 |
- |
5 |
= |
2 |
—— |
2 |
+ |
1 |
= |
3 |
|
15 |
+ |
2 |
= |
17 |
—— |
3 |
- |
1 |
= |
2 |
—— |
18 |
+ |
20 |
= |
38 |
|
17 |
+ |
5 |
= |
22 |
—— |
19 |
+ |
17 |
= |
36 |
—— |
9 |
- |
8 |
= |
1 |
|
8 |
+ |
15 |
= |
23 |
—— |
6 |
- |
5 |
= |
1 |
—— |
6 |
- |
5 |
= |
1 |
|
9 |
- |
3 |
= |
6 |
—— |
1 |
+ |
19 |
= |
20 |
—— |
6 |
- |
2 |
= |
4 |
|
7 |
- |
2 |
= |
5 |
—— |
1 |
+ |
13 |
= |
14 |
—— |
18 |
- |
16 |
= |
2 |
|
13 |
- |
13 |
= |
0 |
—— |
1 |
+ |
2 |
= |
3 |
—— |
12 |
+ |
3 |
= |
15 |
|
10 |
+ |
5 |
= |
15 |
—— |
15 |
- |
13 |
= |
2 |
—— |
12 |
- |
9 |
= |
3 |
|
2 |
- |
1 |
= |
1 |
—— |
19 |
- |
9 |
= |
10 |
—— |
15 |
- |
11 |
= |
4 |
|
10 |
+ |
18 |
= |
28 |
—— |
17 |
+ |
8 |
= |
25 |
—— |
9 |
- |
8 |
= |
1 |
|
11 |
+ |
15 |
= |
26 |
—— |
11 |
+ |
17 |
= |
28 |
—— |
19 |
- |
13 |
= |
6 |
|
18 |
+ |
15 |
= |
33 |
—— |
4 |
- |
2 |
= |
2 |
—— |
5 |
- |
4 |
= |
1 |
|
7 |
+ |
1 |
= |
8 |
—— |
3 |
+ |
4 |
= |
7 |
—— |
20 |
- |
13 |
= |
7 |
|
5 |
- |
1 |
= |
4 |
—— |
20 |
- |
17 |
= |
3 |
—— |
1 |
- |
1 |
= |
0 |
|
15 |
- |
9 |
= |
6 |
—— |
14 |
+ |
2 |
= |
16 |
—— |
14 |
- |
10 |
= |
4 |
|
20 |
- |
16 |
= |
4 |
—— |
2 |
+ |
6 |
= |
8 |
—— |
12 |
- |
10 |
= |
2 |
|
5 |
- |
2 |
= |
3 |
—— |
1 |
+ |
16 |
= |
17 |
—— |
18 |
+ |
7 |
= |
25 |
|
3 |
+ |
11 |
= |
14 |
—— |
1 |
+ |
5 |
= |
6 |
—— |
16 |
+ |
4 |
= |
20 |
|
12 |
+ |
8 |
= |
20 |
—— |
12 |
- |
9 |
= |
3 |
—— |
6 |
- |
1 |
= |
5 |
|
19 |
- |
10 |
= |
9 |
—— |
1 |
- |
1 |
= |
0 |
—— |
5 |
+ |
13 |
= |
18 |
|
2 |
+ |
3 |
= |
5 |
—— |
11 |
- |
8 |
= |
3 |
—— |
17 |
- |
14 |
= |
3 |
|
19 |
- |
8 |
= |
11 |
—— |
13 |
- |
9 |
= |
4 |
—— |
10 |
- |
1 |
= |
9 |
|
3 |
- |
2 |
= |
1 |
—— |
9 |
- |
6 |
= |
3 |
—— |
20 |
- |
20 |
= |
0 |
|
15 |
+ |
6 |
= |
21 |
—— |
11 |
- |
4 |
= |
7 |
—— |
12 |
+ |
4 |
= |
16 |
|
14 |
- |
2 |
= |
12 |
—— |
7 |
+ |
19 |
= |
26 |
—— |
14 |
+ |
12 |
= |
26 |
|
3 |
- |
3 |
= |
0 |
—— |
7 |
+ |
3 |
= |
10 |
—— |
17 |
- |
15 |
= |
2 |
|
4 |
- |
2 |
= |
2 |
—— |
15 |
+ |
1 |
= |
16 |
—— |
14 |
- |
3 |
= |
11 |
|
6 |
+ |
18 |
= |
24 |
—— |
19 |
+ |
4 |
= |
23 |
—— |
1 |
- |
1 |
= |
0 |
|
13 |
+ |
1 |
= |
14 |
—— |
15 |
+ |
2 |
= |
17 |
—— |
18 |
- |
18 |
= |
0 |
|
18 |
+ |
14 |
= |
32 |
—— |
11 |
- |
2 |
= |
9 |
—— |
15 |
- |
1 |
= |
14 |
|
11 |
+ |
15 |
= |
26 |
—— |
16 |
- |
11 |
= |
5 |
—— |
19 |
+ |
16 |
= |
35 |
|
8 |
- |
2 |
= |
6 |
—— |
11 |
+ |
14 |
= |
25 |
—— |
15 |
+ |
13 |
= |
28 |
|
5 |
+ |
7 |
= |
12 |
—— |
14 |
+ |
18 |
= |
32 |
—— |
3 |
- |
2 |
= |
1 |
|
13 |
+ |
4 |
= |
17 |
—— |
6 |
- |
4 |
= |
2 |
—— |
7 |
+ |
3 |
= |
10 |
|
17 |
+ |
4 |
= |
21 |
—— |
12 |
+ |
2 |
= |
14 |
—— |
19 |
+ |
8 |
= |
27 |
|
4 |
+ |
12 |
= |
16 |
—— |
19 |
- |
15 |
= |
4 |
—— |
13 |
+ |
12 |
= |
25 |
|
20 |
+ |
2 |
= |
22 |
—— |
6 |
- |
5 |
= |
1 |
—— |
5 |
+ |
6 |
= |
11 |
|
5 |
- |
2 |
= |
3 |
—— |
5 |
+ |
6 |
= |
11 |
—— |
2 |
+ |
14 |
= |
16 |
|
4 |
- |
1 |
= |
3 |
—— |
2 |
+ |
15 |
= |
17 |
—— |
18 |
+ |
14 |
= |
32 |
|
10 |
+ |
5 |
= |
15 |
—— |
11 |
- |
5 |
= |
6 |
—— |
18 |
+ |
6 |
= |
24 |
|
13 |
- |
5 |
= |
8 |
—— |
6 |
+ |
4 |
= |
10 |
—— |
3 |
- |
3 |
= |
0 |
|
12 |
- |
5 |
= |
7 |
—— |
3 |
- |
3 |
= |
0 |
—— |
10 |
- |
8 |
= |
2 |
|
9 |
+ |
12 |
= |
21 |
—— |
17 |
- |
6 |
= |
11 |
—— |
3 |
+ |
6 |
= |
9 |
|
6 |
- |
4 |
= |
2 |
—— |
15 |
- |
15 |
= |
0 |
—— |
12 |
- |
12 |
= |
0 |
|
16 |
- |
10 |
= |
6 |
—— |
11 |
- |
8 |
= |
3 |
—— |
10 |
+ |
6 |
= |
16 |
|
3 |
+ |
5 |
= |
8 |
—— |
11 |
- |
10 |
= |
1 |
—— |
16 |
+ |
1 |
= |
17 |
|
19 |
- |
11 |
= |
8 |
—— |
14 |
+ |
9 |
= |
23 |
—— |
20 |
- |
20 |
= |
0 |
|
5 |
- |
3 |
= |
2 |
—— |
10 |
- |
8 |
= |
2 |
—— |
20 |
+ |
14 |
= |
34 |
|
18 |
- |
18 |
= |
0 |
—— |
3 |
+ |
15 |
= |
18 |
—— |
10 |
- |
2 |
= |
8 |
|
1 |
- |
1 |
= |
0 |
—— |
16 |
- |
12 |
= |
4 |
—— |
9 |
+ |
14 |
= |
23 |
|
16 |
- |
11 |
= |
5 |
—— |
13 |
- |
6 |
= |
7 |
—— |
16 |
+ |
10 |
= |
26 |
|
13 |
- |
1 |
= |
12 |
—— |
17 |
- |
2 |
= |
15 |
—— |
18 |
+ |
7 |
= |
25 |
|
7 |
- |
7 |
= |
0 |
—— |
7 |
- |
3 |
= |
4 |
—— |
17 |
- |
16 |
= |
1 |
|
1 |
+ |
3 |
= |
4 |
—— |
10 |
+ |
7 |
= |
17 |
—— |
15 |
- |
2 |
= |
13 |
|
20 |
- |
9 |
= |
11 |
—— |
11 |
- |
7 |
= |
4 |
—— |
10 |
+ |
17 |
= |
27 |
|
16 |
+ |
13 |
= |
29 |
—— |
14 |
- |
1 |
= |
13 |
—— |
2 |
- |
1 |
= |
1 |
|
8 |
+ |
10 |
= |
18 |
—— |
11 |
- |
9 |
= |
2 |
—— |
5 |
+ |
18 |
= |
23 |
|
17 |
- |
11 |
= |
6 |
—— |
17 |
- |
1 |
= |
16 |
—— |
10 |
- |
10 |
= |
0 |
转载请注明：http://www.51luopang.cn/a/xedu/ernianji/2020/0819/12816.html
