11 加法 21 等于多少？
11 + 21 = 32
11加法21 等于 32
竖式演算
验算
- 用减法验算：32 − 21 = 11
- 用减法验算：32 − 11 = 21
相关题目
11 + 20 = 31
11 + 22 = 33
11 + 19 = 30
11 + 23 = 34
11 + 24 = 35
11 + 18 = 29
11 + 25 = 36
11 + 17 = 28
10 + 21 = 31
12 + 21 = 33
13 + 21 = 34
9 + 21 = 30
14 + 21 = 35
8 + 21 = 29
15 + 21 = 36
7 + 21 = 28
1 + 31 = 32
2 + 30 = 32
3 + 29 = 32
4 + 28 = 32
5 + 27 = 32
6 + 26 = 32
8 + 40 = 48
78 + 20 = 98
6 + 92 = 98
3 + 66 = 69
21 + 66 = 87
43 + 23 = 66
4 × 8 = 32
56 - 24 = 32