6 加法 78 等于多少？
6 + 78 = 84
6加法78 等于 84
竖式演算
验算
- 用减法验算：84 − 78 = 6
- 用减法验算：84 − 6 = 78
相关题目
6 + 77 = 83
6 + 79 = 85
6 + 76 = 82
6 + 80 = 86
6 + 75 = 81
6 + 81 = 87
6 + 74 = 80
6 + 82 = 88
5 + 78 = 83
7 + 78 = 85
4 + 78 = 82
8 + 78 = 86
3 + 78 = 81
9 + 78 = 87
2 + 78 = 80
10 + 78 = 88
1 + 83 = 84
2 + 82 = 84
3 + 81 = 84
4 + 80 = 84
5 + 79 = 84
7 + 77 = 84
9 + 13 = 22
29 + 47 = 76
4 + 18 = 22
80 + 88 = 168
53 + 56 = 109
32 + 28 = 60
88 - 4 = 84
42 × 2 = 84