日期:____/____
20以内连加连减练习
用时:________
9 + 4 + 7 = 20
8 + 5 + 2 = 15
12 + 3 - 2 = 13
15 - 12 - 2 = 1
5 - 3 + 18 = 20
4 - 1 + 8 = 11
4 + 9 + 7 = 20
2 + 8 + 4 = 14
10 + 8 + 1 = 19
15 - 5 - 8 = 2
8 - 4 - 3 = 1
9 + 6 + 2 = 17
7 + 5 - 5 = 7
10 + 2 + 8 = 20
7 + 12 - 4 = 15
13 - 13 - 0 = 0
20 - 7 - 11 = 2
20 - 3 - 10 = 7
15 - 5 - 6 = 4
5 + 6 + 1 = 12
1 + 10 - 10 = 1
4 + 6 + 7 = 17
1 + 10 + 7 = 18
15 - 15 + 13 = 13