40 加法 38 等于多少？
40 + 38 = 78
40加法38 等于 78
竖式演算
验算
- 用减法验算：78 − 38 = 40
- 用减法验算：78 − 40 = 38
相关题目
40 + 37 = 77
40 + 39 = 79
40 + 40 = 80
40 + 36 = 76
40 + 41 = 81
40 + 35 = 75
40 + 42 = 82
40 + 34 = 74
39 + 38 = 77
41 + 38 = 79
38 + 38 = 76
42 + 38 = 80
37 + 38 = 75
43 + 38 = 81
44 + 38 = 82
36 + 38 = 74
1 + 77 = 78
2 + 76 = 78
3 + 75 = 78
4 + 74 = 78
5 + 73 = 78
6 + 72 = 78
43 + 43 = 86
3 + 80 = 83
48 + 50 = 98
44 + 34 = 78
41 + 7 = 48
30 + 59 = 89
81 - 3 = 78
96 - 18 = 78