31 加法 37 等于多少？
31 + 37 = 68
31加法37 等于 68
竖式演算
验算
- 用减法验算：68 − 37 = 31
- 用减法验算：68 − 31 = 37
相关题目
31 + 38 = 69
31 + 36 = 67
31 + 39 = 70
31 + 35 = 66
31 + 40 = 71
31 + 34 = 65
31 + 41 = 72
31 + 33 = 64
30 + 37 = 67
32 + 37 = 69
29 + 37 = 66
33 + 37 = 70
28 + 37 = 65
34 + 37 = 71
35 + 37 = 72
27 + 37 = 64
1 + 67 = 68
2 + 66 = 68
3 + 65 = 68
4 + 64 = 68
5 + 63 = 68
6 + 62 = 68
74 + 2 = 76
27 + 51 = 78
17 + 31 = 48
73 + 2 = 75
21 + 30 = 51
86 - 18 = 68
4 × 17 = 68
93 - 25 = 68