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
15 + 56 = 71
85 + 92 = 177
82 + 50 = 132
49 + 32 = 81
18 + 18 = 36
28 + 33 = 61
64 - 12 = 52
95 - 43 = 52