37 加法 31 等于多少？
37 + 31 = 68
37加法31 等于 68
竖式演算
验算
- 用减法验算：68 − 31 = 37
- 用减法验算：68 − 37 = 31
相关题目
37 + 30 = 67
37 + 32 = 69
37 + 29 = 66
37 + 33 = 70
37 + 28 = 65
37 + 34 = 71
37 + 35 = 72
37 + 27 = 64
38 + 31 = 69
36 + 31 = 67
39 + 31 = 70
35 + 31 = 66
40 + 31 = 71
34 + 31 = 65
41 + 31 = 72
33 + 31 = 64
1 + 67 = 68
2 + 66 = 68
3 + 65 = 68
4 + 64 = 68
5 + 63 = 68
6 + 62 = 68
20 + 24 = 44
58 + 41 = 99
42 + 21 = 63
17 + 62 = 79
11 + 23 = 34
30 + 38 = 68
71 - 3 = 68
69 - 1 = 68