45 加法 20 等于多少?
45 + 20 = 65
45加法20 等于 65
竖式演算
验算
- 用减法验算:65 − 20 = 45
- 用减法验算:65 − 45 = 20
相关题目
45 + 19 = 64
45 + 21 = 66
45 + 22 = 67
45 + 18 = 63
45 + 23 = 68
45 + 17 = 62
45 + 24 = 69
45 + 16 = 61
44 + 20 = 64
46 + 20 = 66
47 + 20 = 67
43 + 20 = 63
48 + 20 = 68
42 + 20 = 62
49 + 20 = 69
41 + 20 = 61
1 + 64 = 65
2 + 63 = 65
3 + 62 = 65
4 + 61 = 65
5 + 60 = 65
6 + 59 = 65
24 + 34 = 58
10 + 58 = 68
4 + 54 = 58
52 + 10 = 62
38 + 21 = 59
22 + 53 = 75
89 - 24 = 65
80 - 15 = 65