31 加法 73 等于多少？
31 + 73 = 104
31加法73 等于 104
竖式演算
验算
- 用减法验算：104 − 73 = 31
- 用减法验算：104 − 31 = 73
相关题目
31 + 74 = 105
31 + 72 = 103
31 + 75 = 106
31 + 71 = 102
31 + 76 = 107
31 + 70 = 101
31 + 77 = 108
31 + 69 = 100
30 + 73 = 103
32 + 73 = 105
29 + 73 = 102
33 + 73 = 106
28 + 73 = 101
34 + 73 = 107
35 + 73 = 108
27 + 73 = 100
4 + 100 = 104
5 + 99 = 104
6 + 98 = 104
7 + 97 = 104
8 + 96 = 104
9 + 95 = 104
2 + 19 = 21
56 + 83 = 139
41 + 83 = 124
48 + 71 = 119
32 + 91 = 123
76 + 62 = 138
8 × 13 = 104
2 × 52 = 104