42 加法 45 等于多少？
42 + 45 = 87
42加法45 等于 87
竖式演算
验算
- 用减法验算：87 − 45 = 42
- 用减法验算：87 − 42 = 45
相关题目
42 + 44 = 86
42 + 46 = 88
42 + 47 = 89
42 + 43 = 85
42 + 48 = 90
42 + 42 = 84
42 + 49 = 91
42 + 41 = 83
41 + 45 = 86
43 + 45 = 88
40 + 45 = 85
44 + 45 = 89
39 + 45 = 84
45 + 45 = 90
38 + 45 = 83
46 + 45 = 91
1 + 86 = 87
2 + 85 = 87
3 + 84 = 87
4 + 83 = 87
5 + 82 = 87
6 + 81 = 87
25 + 32 = 57
20 + 22 = 42
10 + 87 = 97
18 + 71 = 89
85 + 1 = 86
100 + 28 = 128
93 - 6 = 87
88 - 1 = 87