45 加法 2 等于多少?
45 + 2 = 47
45加法2 等于 47
竖式演算
验算
- 用减法验算:47 − 2 = 45
- 用减法验算:47 − 45 = 2
相关题目
45 + 1 = 46
45 + 3 = 48
45 + 4 = 49
45 + 5 = 50
45 + 6 = 51
45 + 7 = 52
45 + 8 = 53
45 + 9 = 54
44 + 2 = 46
46 + 2 = 48
47 + 2 = 49
43 + 2 = 45
48 + 2 = 50
42 + 2 = 44
49 + 2 = 51
41 + 2 = 43
1 + 46 = 47
2 + 45 = 47
3 + 44 = 47
4 + 43 = 47
5 + 42 = 47
6 + 41 = 47
34 + 1 = 35
30 + 61 = 91
58 + 21 = 79
81 + 14 = 95
40 + 31 = 71
21 + 76 = 97
92 - 45 = 47
54 - 7 = 47