21 减法 10 等于多少？
21 - 10 = 11
21减法10 等于 11
竖式演算
验算
- 用加法验算：11 + 10 = 21
相关题目
21 - 9 = 12
21 - 11 = 10
21 - 8 = 13
21 - 12 = 9
21 - 7 = 14
21 - 13 = 8
21 - 6 = 15
21 - 14 = 7
20 - 10 = 10
22 - 10 = 12
19 - 10 = 9
23 - 10 = 13
24 - 10 = 14
18 - 10 = 8
25 - 10 = 15
17 - 10 = 7
12 - 1 = 11
13 - 2 = 11
14 - 3 = 11
15 - 4 = 11
16 - 5 = 11
17 - 6 = 11
68 - 11 = 57
53 - 33 = 20
97 - 11 = 86
95 - 1 = 94
65 - 64 = 1
59 - 40 = 19
1 × 11 = 11
7 + 4 = 11