21 加法 37 等于多少？
21 + 37 = 58
21加法37 等于 58
竖式演算
验算
- 用减法验算：58 − 37 = 21
- 用减法验算：58 − 21 = 37
相关题目
21 + 38 = 59
21 + 36 = 57
21 + 39 = 60
21 + 35 = 56
21 + 40 = 61
21 + 34 = 55
21 + 41 = 62
21 + 33 = 54
20 + 37 = 57
22 + 37 = 59
19 + 37 = 56
23 + 37 = 60
24 + 37 = 61
18 + 37 = 55
25 + 37 = 62
17 + 37 = 54
1 + 57 = 58
2 + 56 = 58
3 + 55 = 58
4 + 54 = 58
5 + 53 = 58
6 + 52 = 58
11 + 15 = 26
20 + 5 = 25
12 + 10 = 22
13 + 26 = 39
53 + 12 = 65
2 + 96 = 98
76 - 18 = 58
75 - 17 = 58