日期:____/____

凑十法专项练习

11-20各数的认识
用时:________
9 + 5 = 14
10 + 6 = 16
5 + 8 = 13
9 + 6 = 15
1 + 10 = 11
4 + 10 = 14
9 + 2 = 11
7 + 5 = 12
9 + 3 = 12
8 + 4 = 12
8 + 3 = 11
8 + 5 = 13
7 + 6 = 13
7 + 10 = 17
7 + 8 = 15
5 + 7 = 12
8 + 6 = 14
6 + 5 = 11
8 + 9 = 17
5 + 9 = 14
6 + 10 = 16
10 + 5 = 15
10 + 7 = 17
10 + 2 = 12