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
29 - 15 = 14
66 - 22 = 44
65 - 20 = 45
99 - 57 = 42
90 - 90 = 0
49 - 45 = 4
10 × 1 = 10
4 + 6 = 10