80 减法 78 等于多少？
80 - 78 = 2
80减法78 等于 2
竖式演算
验算
- 用加法验算：2 + 78 = 80
相关题目
80 - 77 = 3
80 - 79 = 1
80 - 76 = 4
80 - 80 = 0
80 - 75 = 5
80 - 74 = 6
80 - 73 = 7
80 - 72 = 8
79 - 78 = 1
81 - 78 = 3
78 - 78 = 0
82 - 78 = 4
83 - 78 = 5
84 - 78 = 6
85 - 78 = 7
86 - 78 = 8
3 - 1 = 2
4 - 2 = 2
5 - 3 = 2
6 - 4 = 2
7 - 5 = 2
8 - 6 = 2
44 - 26 = 18
71 - 56 = 15
80 - 11 = 69
73 - 5 = 68
82 - 3 = 79
15 - 9 = 6
2 × 1 = 2
1 + 1 = 2