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
58 + 40 = 98
2 + 74 = 76
45 + 52 = 97
86 + 11 = 97
65 + 22 = 87
68 × 1 = 68
95 - 27 = 68
34 × 2 = 68