40 加法 42 等于多少？
40 + 42 = 82
40加法42 等于 82
竖式演算
验算
- 用减法验算：82 − 42 = 40
- 用减法验算：82 − 40 = 42
相关题目
40 + 41 = 81
40 + 43 = 83
40 + 40 = 80
40 + 44 = 84
40 + 39 = 79
40 + 45 = 85
40 + 38 = 78
40 + 46 = 86
39 + 42 = 81
41 + 42 = 83
38 + 42 = 80
42 + 42 = 84
37 + 42 = 79
43 + 42 = 85
44 + 42 = 86
36 + 42 = 78
1 + 81 = 82
2 + 80 = 82
3 + 79 = 82
4 + 78 = 82
5 + 77 = 82
6 + 76 = 82
52 + 5 = 57
15 + 43 = 58
13 + 76 = 89
77 + 22 = 99
4 + 81 = 85
31 + 30 = 61
95 - 13 = 82
93 - 11 = 82