6 加法 31 等于多少？
6 + 31 = 37
6加法31 等于 37
竖式演算
验算
- 用减法验算：37 − 31 = 6
- 用减法验算：37 − 6 = 31
相关题目
6 + 30 = 36
6 + 32 = 38
6 + 29 = 35
6 + 33 = 39
6 + 28 = 34
6 + 34 = 40
6 + 35 = 41
6 + 27 = 33
5 + 31 = 36
7 + 31 = 38
4 + 31 = 35
8 + 31 = 39
3 + 31 = 34
9 + 31 = 40
2 + 31 = 33
10 + 31 = 41
1 + 36 = 37
2 + 35 = 37
3 + 34 = 37
4 + 33 = 37
5 + 32 = 37
7 + 30 = 37
11 + 76 = 87
23 + 50 = 73
45 + 12 = 57
37 + 32 = 69
17 + 70 = 87
13 + 10 = 23
57 - 20 = 37
61 - 24 = 37