20 加法 25 等于多少？
20 + 25 = 45
20加法25 等于 45
竖式演算
验算
- 用减法验算：45 − 25 = 20
- 用减法验算：45 − 20 = 25
相关题目
20 + 24 = 44
20 + 26 = 46
20 + 23 = 43
20 + 27 = 47
20 + 22 = 42
20 + 28 = 48
20 + 29 = 49
20 + 21 = 41
19 + 25 = 44
21 + 25 = 46
22 + 25 = 47
18 + 25 = 43
23 + 25 = 48
17 + 25 = 42
24 + 25 = 49
16 + 25 = 41
1 + 44 = 45
2 + 43 = 45
3 + 42 = 45
4 + 41 = 45
5 + 40 = 45
6 + 39 = 45
50 + 11 = 61
21 + 52 = 73
37 + 41 = 78
25 + 14 = 39
25 + 61 = 86
67 + 100 = 167
69 - 24 = 45
74 - 29 = 45