31 加法 22 等于多少？
31 + 22 = 53
31加法22 等于 53
竖式演算
验算
- 用减法验算：53 − 22 = 31
- 用减法验算：53 − 31 = 22
相关题目
31 + 21 = 52
31 + 23 = 54
31 + 20 = 51
31 + 24 = 55
31 + 19 = 50
31 + 25 = 56
31 + 26 = 57
31 + 18 = 49
30 + 22 = 52
32 + 22 = 54
29 + 22 = 51
33 + 22 = 55
28 + 22 = 50
34 + 22 = 56
35 + 22 = 57
27 + 22 = 49
1 + 52 = 53
2 + 51 = 53
3 + 50 = 53
4 + 49 = 53
5 + 48 = 53
6 + 47 = 53
69 + 30 = 99
1 + 5 = 6
30 + 16 = 46
48 + 41 = 89
1 + 90 = 91
14 + 55 = 69
67 - 14 = 53
89 - 36 = 53