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
86 + 42 = 128
78 + 81 = 159
6 + 19 = 25
47 + 71 = 118
15 + 90 = 105
36 + 19 = 55
94 - 14 = 80
16 × 5 = 80