42 加法 40 等于多少？
42 + 40 = 82
42加法40 等于 82
竖式演算
验算
- 用减法验算：82 − 40 = 42
- 用减法验算：82 − 42 = 40
相关题目
42 + 39 = 81
42 + 41 = 83
42 + 38 = 80
42 + 42 = 84
42 + 37 = 79
42 + 43 = 85
42 + 44 = 86
42 + 36 = 78
41 + 40 = 81
43 + 40 = 83
40 + 40 = 80
44 + 40 = 84
39 + 40 = 79
45 + 40 = 85
38 + 40 = 78
46 + 40 = 86
1 + 81 = 82
2 + 80 = 82
3 + 79 = 82
4 + 78 = 82
5 + 77 = 82
6 + 76 = 82
35 + 41 = 76
3 + 16 = 19
60 + 39 = 99
57 + 20 = 77
4 + 24 = 28
35 + 62 = 97
98 - 16 = 82
91 - 9 = 82