28 减法 27 等于多少？
28 - 27 = 1
28减法27 等于 1
竖式演算
验算
- 用加法验算：1 + 27 = 28
相关题目
28 - 26 = 2
28 - 28 = 0
28 - 25 = 3
28 - 24 = 4
28 - 23 = 5
28 - 22 = 6
28 - 21 = 7
28 - 20 = 8
27 - 27 = 0
29 - 27 = 2
30 - 27 = 3
31 - 27 = 4
32 - 27 = 5
33 - 27 = 6
34 - 27 = 7
35 - 27 = 8
2 - 1 = 1
3 - 2 = 1
4 - 3 = 1
5 - 4 = 1
6 - 5 = 1
7 - 6 = 1
99 - 43 = 56
53 - 2 = 51
27 - 15 = 12
47 - 45 = 2
23 - 2 = 21
77 - 17 = 60
1 × 1 = 1
83 - 19 = 64