38 加法 40 等于多少?
38 + 40 = 78
38加法40 等于 78
竖式演算
验算
- 用减法验算:78 − 40 = 38
- 用减法验算:78 − 38 = 40
相关题目
38 + 39 = 77
38 + 41 = 79
38 + 38 = 76
38 + 42 = 80
38 + 37 = 75
38 + 43 = 81
38 + 44 = 82
38 + 36 = 74
37 + 40 = 77
39 + 40 = 79
40 + 40 = 80
36 + 40 = 76
41 + 40 = 81
35 + 40 = 75
42 + 40 = 82
34 + 40 = 74
1 + 77 = 78
2 + 76 = 78
3 + 75 = 78
4 + 74 = 78
5 + 73 = 78
6 + 72 = 78
62 + 10 = 72
23 + 15 = 38
44 + 22 = 66
32 + 23 = 55
7 + 31 = 38
4 + 91 = 95
97 - 19 = 78
6 × 13 = 78