31 减法 14 等于多少？
31 - 14 = 17
31减法14 等于 17
竖式演算
验算
- 用加法验算：17 + 14 = 31
相关题目
31 - 13 = 18
31 - 15 = 16
31 - 12 = 19
31 - 16 = 15
31 - 11 = 20
31 - 17 = 14
31 - 10 = 21
31 - 18 = 13
30 - 14 = 16
32 - 14 = 18
33 - 14 = 19
29 - 14 = 15
34 - 14 = 20
28 - 14 = 14
35 - 14 = 21
27 - 14 = 13
18 - 1 = 17
19 - 2 = 17
20 - 3 = 17
21 - 4 = 17
22 - 5 = 17
23 - 6 = 17
83 - 14 = 69
41 - 25 = 16
50 - 5 = 45
71 - 16 = 55
60 - 12 = 48
65 - 48 = 17
12 + 5 = 17
1 + 16 = 17