15 减法 13 等于多少？
15 - 13 = 2
15减法13 等于 2
竖式演算
验算
- 用加法验算：2 + 13 = 15
相关题目
15 - 12 = 3
15 - 14 = 1
15 - 11 = 4
15 - 15 = 0
15 - 10 = 5
15 - 9 = 6
15 - 8 = 7
15 - 7 = 8
14 - 13 = 1
16 - 13 = 3
13 - 13 = 0
17 - 13 = 4
18 - 13 = 5
19 - 13 = 6
20 - 13 = 7
21 - 13 = 8
3 - 1 = 2
4 - 2 = 2
5 - 3 = 2
6 - 4 = 2
7 - 5 = 2
8 - 6 = 2
48 - 35 = 13
95 - 52 = 43
86 - 23 = 63
97 - 24 = 73
65 - 32 = 33
96 - 14 = 82
2 × 1 = 2
1 × 2 = 2