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
51 + 74 = 125
90 + 94 = 184
59 + 29 = 88
41 + 82 = 123
9 + 3 = 12
88 + 70 = 158
34 × 3 = 102
17 × 6 = 102