7 加法 45 等于多少？
7 + 45 = 52
7加法45 等于 52
竖式演算
验算
- 用减法验算：52 − 45 = 7
- 用减法验算：52 − 7 = 45
相关题目
7 + 44 = 51
7 + 46 = 53
7 + 47 = 54
7 + 43 = 50
7 + 48 = 55
7 + 42 = 49
7 + 49 = 56
7 + 41 = 48
6 + 45 = 51
8 + 45 = 53
5 + 45 = 50
9 + 45 = 54
4 + 45 = 49
10 + 45 = 55
11 + 45 = 56
3 + 45 = 48
1 + 51 = 52
2 + 50 = 52
3 + 49 = 52
4 + 48 = 52
5 + 47 = 52
6 + 46 = 52
65 + 71 = 136
82 + 61 = 143
80 + 84 = 164
25 + 59 = 84
82 + 74 = 156
9 + 34 = 43
76 - 24 = 52
69 - 17 = 52