31 加法 71 等于多少？
31 + 71 = 102
31加法71 等于 102
竖式演算
验算
- 用减法验算：102 − 71 = 31
- 用减法验算：102 − 31 = 71
相关题目
31 + 70 = 101
31 + 72 = 103
31 + 69 = 100
31 + 73 = 104
31 + 74 = 105
31 + 68 = 99
31 + 75 = 106
31 + 67 = 98
30 + 71 = 101
32 + 71 = 103
29 + 71 = 100
33 + 71 = 104
28 + 71 = 99
34 + 71 = 105
35 + 71 = 106
27 + 71 = 98
2 + 100 = 102
3 + 99 = 102
4 + 98 = 102
5 + 97 = 102
6 + 96 = 102
7 + 95 = 102
81 + 55 = 136
18 + 9 = 27
90 + 38 = 128
48 + 27 = 75
65 + 64 = 129
86 + 71 = 157
2 × 51 = 102
6 × 17 = 102