71 加法 31 等于多少？
71 + 31 = 102
71加法31 等于 102
竖式演算
验算
- 用减法验算：102 − 31 = 71
- 用减法验算：102 − 71 = 31
相关题目
71 + 30 = 101
71 + 32 = 103
71 + 29 = 100
71 + 33 = 104
71 + 28 = 99
71 + 34 = 105
71 + 35 = 106
71 + 27 = 98
70 + 31 = 101
72 + 31 = 103
69 + 31 = 100
73 + 31 = 104
74 + 31 = 105
68 + 31 = 99
75 + 31 = 106
67 + 31 = 98
2 + 100 = 102
3 + 99 = 102
4 + 98 = 102
5 + 97 = 102
6 + 96 = 102
7 + 95 = 102
29 + 55 = 84
60 + 74 = 134
36 + 39 = 75
63 + 83 = 146
85 + 74 = 159
5 + 26 = 31
6 × 17 = 102
2 × 51 = 102