22 加法 31 等于多少?
22 + 31 = 53
22加法31 等于 53
竖式演算
验算
- 用减法验算:53 − 31 = 22
- 用减法验算:53 − 22 = 31
相关题目
22 + 30 = 52
22 + 32 = 54
22 + 29 = 51
22 + 33 = 55
22 + 28 = 50
22 + 34 = 56
22 + 35 = 57
22 + 27 = 49
21 + 31 = 52
23 + 31 = 54
20 + 31 = 51
24 + 31 = 55
19 + 31 = 50
25 + 31 = 56
26 + 31 = 57
18 + 31 = 49
1 + 52 = 53
2 + 51 = 53
3 + 50 = 53
4 + 49 = 53
5 + 48 = 53
6 + 47 = 53
13 + 55 = 68
10 + 3 = 13
59 + 30 = 89
5 + 80 = 85
61 + 5 = 66
20 + 76 = 96
67 - 14 = 53
100 - 47 = 53