20 以内加法
日期：___________
姓名：___________
用时：___________
成绩：___________
17 + 1 =
18 + 2 =
0 + 20 =
14 + 2 =
12 + 6 =
3 + 13 =
0 + 19 =
13 + 2 =
9 + 5 =
11 + 9 =
13 + 3 =
13 + 4 =
7 + 12 =
14 + 1 =
1 + 7 =
7 + 13 =
8 + 8 =
18 + 1 =
7 + 5 =
9 + 3 =