78 减法 77 等于多少？
78 - 77 = 1
78减法77 等于 1
竖式演算
验算
- 用加法验算：1 + 77 = 78
相关题目
78 - 76 = 2
78 - 78 = 0
78 - 75 = 3
78 - 74 = 4
78 - 73 = 5
78 - 72 = 6
78 - 71 = 7
78 - 70 = 8
77 - 77 = 0
79 - 77 = 2
80 - 77 = 3
81 - 77 = 4
82 - 77 = 5
83 - 77 = 6
84 - 77 = 7
85 - 77 = 8
2 - 1 = 1
3 - 2 = 1
4 - 3 = 1
5 - 4 = 1
6 - 5 = 1
7 - 6 = 1
10 - 10 = 0
54 - 34 = 20
14 - 10 = 4
89 - 75 = 14
94 - 61 = 33
75 - 11 = 64
1 × 1 = 1
40 - 13 = 27