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
34 + 82 = 116
55 + 83 = 138
31 + 39 = 70
81 + 63 = 144
9 + 32 = 41
63 + 51 = 114
93 - 9 = 84
84 × 1 = 84