37 加法 20 等于多少？
37 + 20 = 57
37加法20 等于 57
竖式演算
验算
- 用减法验算：57 − 20 = 37
- 用减法验算：57 − 37 = 20
相关题目
37 + 19 = 56
37 + 21 = 58
37 + 22 = 59
37 + 18 = 55
37 + 23 = 60
37 + 17 = 54
37 + 24 = 61
37 + 16 = 53
38 + 20 = 58
36 + 20 = 56
39 + 20 = 59
35 + 20 = 55
40 + 20 = 60
34 + 20 = 54
41 + 20 = 61
33 + 20 = 53
1 + 56 = 57
2 + 55 = 57
3 + 54 = 57
4 + 53 = 57
5 + 52 = 57
6 + 51 = 57
30 + 57 = 87
11 + 14 = 25
3 + 4 = 7
51 + 33 = 84
62 + 17 = 79
35 + 61 = 96
88 - 31 = 57
60 - 3 = 57