38 加法 42 等于多少？
38 + 42 = 80
38加法42 等于 80
竖式演算
验算
- 用减法验算：80 − 42 = 38
- 用减法验算：80 − 38 = 42
相关题目
38 + 41 = 79
38 + 43 = 81
38 + 40 = 78
38 + 44 = 82
38 + 39 = 77
38 + 45 = 83
38 + 38 = 76
38 + 46 = 84
37 + 42 = 79
39 + 42 = 81
40 + 42 = 82
36 + 42 = 78
41 + 42 = 83
35 + 42 = 77
42 + 42 = 84
34 + 42 = 76
1 + 79 = 80
2 + 78 = 80
3 + 77 = 80
4 + 76 = 80
5 + 75 = 80
6 + 74 = 80
47 + 49 = 96
72 + 63 = 135
80 + 50 = 130
70 + 63 = 133
43 + 39 = 82
37 + 23 = 60
86 - 6 = 80
90 - 10 = 80