20 以内加法
日期：___________
姓名：___________
用时：___________
成绩：___________
1 + 6 =
20 + 0 =
12 + 5 =
18 + 2 =
14 + 3 =
5 + 8 =
12 + 2 =
4 + 6 =
18 + 1 =
12 + 5 =
13 + 0 =
3 + 4 =
1 + 14 =
15 + 4 =
2 + 16 =
8 + 1 =
19 + 0 =
10 + 1 =
0 + 15 =
19 + 1 =