21 减法 11 等于多少？
21 - 11 = 10
21减法11 等于 10
竖式演算
验算
- 用加法验算：10 + 11 = 21
相关题目
21 - 10 = 11
21 - 12 = 9
21 - 9 = 12
21 - 13 = 8
21 - 8 = 13
21 - 14 = 7
21 - 7 = 14
21 - 15 = 6
20 - 11 = 9
22 - 11 = 11
23 - 11 = 12
19 - 11 = 8
24 - 11 = 13
18 - 11 = 7
25 - 11 = 14
17 - 11 = 6
11 - 1 = 10
12 - 2 = 10
13 - 3 = 10
14 - 4 = 10
15 - 5 = 10
16 - 6 = 10
74 - 52 = 22
34 - 3 = 31
78 - 16 = 62
97 - 22 = 75
24 - 20 = 4
97 - 24 = 73
4 + 6 = 10
3 + 7 = 10