21 加法 25 等于多少？
21 + 25 = 46
21加法25 等于 46
竖式演算
验算
- 用减法验算：46 − 25 = 21
- 用减法验算：46 − 21 = 25
相关题目
21 + 24 = 45
21 + 26 = 47
21 + 23 = 44
21 + 27 = 48
21 + 22 = 43
21 + 28 = 49
21 + 29 = 50
21 + 21 = 42
20 + 25 = 45
22 + 25 = 47
19 + 25 = 44
23 + 25 = 48
24 + 25 = 49
18 + 25 = 43
25 + 25 = 50
17 + 25 = 42
1 + 45 = 46
2 + 44 = 46
3 + 43 = 46
4 + 42 = 46
5 + 41 = 46
6 + 40 = 46
20 + 58 = 78
57 + 30 = 87
43 + 23 = 66
19 + 50 = 69
3 + 11 = 14
23 + 16 = 39
89 - 43 = 46
54 - 8 = 46