20 加法 37 等于多少？
20 + 37 = 57
20加法37 等于 57
竖式演算
验算
- 用减法验算：57 − 37 = 20
- 用减法验算：57 − 20 = 37
相关题目
20 + 38 = 58
20 + 36 = 56
20 + 39 = 59
20 + 35 = 55
20 + 40 = 60
20 + 34 = 54
20 + 41 = 61
20 + 33 = 53
19 + 37 = 56
21 + 37 = 58
22 + 37 = 59
18 + 37 = 55
23 + 37 = 60
17 + 37 = 54
24 + 37 = 61
16 + 37 = 53
1 + 56 = 57
2 + 55 = 57
3 + 54 = 57
4 + 53 = 57
5 + 52 = 57
6 + 51 = 57
86 + 12 = 98
83 + 4 = 87
34 + 43 = 77
100 + 49 = 149
44 + 22 = 66
43 + 40 = 83
85 - 28 = 57
77 - 20 = 57