31 加法 52 等于多少？
31 + 52 = 83
31加法52 等于 83
竖式演算
验算
- 用减法验算：83 − 52 = 31
- 用减法验算：83 − 31 = 52
相关题目
31 + 51 = 82
31 + 53 = 84
31 + 50 = 81
31 + 54 = 85
31 + 49 = 80
31 + 55 = 86
31 + 56 = 87
31 + 48 = 79
30 + 52 = 82
32 + 52 = 84
29 + 52 = 81
33 + 52 = 85
28 + 52 = 80
34 + 52 = 86
35 + 52 = 87
27 + 52 = 79
1 + 82 = 83
2 + 81 = 83
3 + 80 = 83
4 + 79 = 83
5 + 78 = 83
6 + 77 = 83
20 + 76 = 96
49 + 50 = 99
64 + 20 = 84
31 + 38 = 69
45 + 30 = 75
31 + 43 = 74
87 - 4 = 83
99 - 16 = 83