25 加法 20 等于多少?
25 + 20 = 45
25加法20 等于 45
竖式演算
验算
- 用减法验算:45 − 20 = 25
- 用减法验算:45 − 25 = 20
相关题目
25 + 19 = 44
25 + 21 = 46
25 + 22 = 47
25 + 18 = 43
25 + 23 = 48
25 + 17 = 42
25 + 24 = 49
25 + 16 = 41
24 + 20 = 44
26 + 20 = 46
23 + 20 = 43
27 + 20 = 47
22 + 20 = 42
28 + 20 = 48
29 + 20 = 49
21 + 20 = 41
1 + 44 = 45
2 + 43 = 45
3 + 42 = 45
4 + 41 = 45
5 + 40 = 45
6 + 39 = 45
21 + 55 = 76
93 + 2 = 95
11 + 88 = 99
2 + 14 = 16
40 + 53 = 93
42 + 7 = 49
70 - 25 = 45
51 - 6 = 45