17 减法 15 等于多少？
17 - 15 = 2
17减法15 等于 2
竖式演算
验算
- 用加法验算：2 + 15 = 17
相关题目
17 - 14 = 3
17 - 16 = 1
17 - 13 = 4
17 - 17 = 0
17 - 12 = 5
17 - 11 = 6
17 - 10 = 7
17 - 9 = 8
16 - 15 = 1
18 - 15 = 3
15 - 15 = 0
19 - 15 = 4
20 - 15 = 5
21 - 15 = 6
22 - 15 = 7
23 - 15 = 8
3 - 1 = 2
4 - 2 = 2
5 - 3 = 2
6 - 4 = 2
7 - 5 = 2
8 - 6 = 2
43 - 13 = 30
17 - 2 = 15
91 - 1 = 90
57 - 27 = 30
26 - 23 = 3
66 - 26 = 40
1 × 2 = 2
2 × 1 = 2