15 减法 8 等于多少？
15 - 8 = 7
15减法8 等于 7
竖式演算
验算
- 用加法验算：7 + 8 = 15
相关题目
15 - 7 = 8
15 - 9 = 6
15 - 6 = 9
15 - 10 = 5
15 - 5 = 10
15 - 11 = 4
15 - 4 = 11
15 - 12 = 3
14 - 8 = 6
16 - 8 = 8
13 - 8 = 5
17 - 8 = 9
18 - 8 = 10
12 - 8 = 4
19 - 8 = 11
11 - 8 = 3
8 - 1 = 7
9 - 2 = 7
10 - 3 = 7
11 - 4 = 7
12 - 5 = 7
13 - 6 = 7
82 - 64 = 18
94 - 9 = 85
85 - 56 = 29
83 - 7 = 76
51 - 29 = 22
64 - 59 = 5
1 + 6 = 7
4 + 3 = 7