42 加法 38 等于多少？
42 + 38 = 80
42加法38 等于 80
竖式演算
验算
- 用减法验算：80 − 38 = 42
- 用减法验算：80 − 42 = 38
相关题目
42 + 37 = 79
42 + 39 = 81
42 + 40 = 82
42 + 36 = 78
42 + 41 = 83
42 + 35 = 77
42 + 42 = 84
42 + 34 = 76
41 + 38 = 79
43 + 38 = 81
40 + 38 = 78
44 + 38 = 82
39 + 38 = 77
45 + 38 = 83
38 + 38 = 76
46 + 38 = 84
1 + 79 = 80
2 + 78 = 80
3 + 77 = 80
4 + 76 = 80
5 + 75 = 80
6 + 74 = 80
52 + 95 = 147
74 + 91 = 165
8 + 15 = 23
38 + 29 = 67
89 + 7 = 96
68 + 81 = 149
95 - 15 = 80
1 × 80 = 80