45 加法 42 等于多少？
45 + 42 = 87
45加法42 等于 87
竖式演算
验算
- 用减法验算：87 − 42 = 45
- 用减法验算：87 − 45 = 42
相关题目
45 + 41 = 86
45 + 43 = 88
45 + 40 = 85
45 + 44 = 89
45 + 39 = 84
45 + 45 = 90
45 + 38 = 83
45 + 46 = 91
44 + 42 = 86
46 + 42 = 88
47 + 42 = 89
43 + 42 = 85
48 + 42 = 90
42 + 42 = 84
49 + 42 = 91
41 + 42 = 83
1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
6 + 81 = 87
2 + 40 = 42
13 + 11 = 24
20 + 20 = 40
23 + 62 = 85
2 + 96 = 98
21 + 58 = 79
93 - 6 = 87
87 × 1 = 87