21 减法 14 等于多少？
21 - 14 = 7
21减法14 等于 7
竖式演算
验算
- 用加法验算：7 + 14 = 21
相关题目
21 - 13 = 8
21 - 15 = 6
21 - 12 = 9
21 - 16 = 5
21 - 11 = 10
21 - 17 = 4
21 - 10 = 11
21 - 18 = 3
20 - 14 = 6
22 - 14 = 8
19 - 14 = 5
23 - 14 = 9
24 - 14 = 10
18 - 14 = 4
25 - 14 = 11
17 - 14 = 3
8 - 1 = 7
9 - 2 = 7
10 - 3 = 7
11 - 4 = 7
12 - 5 = 7
13 - 6 = 7
94 - 56 = 38
72 - 53 = 19
97 - 19 = 78
63 - 5 = 58
71 - 24 = 47
67 - 48 = 19
6 + 1 = 7
2 + 5 = 7