21 加法 5 等于多少？
21 + 5 = 26
21加法5 等于 26
竖式演算
验算
- 用减法验算：26 − 5 = 21
- 用减法验算：26 − 21 = 5
相关题目
21 + 4 = 25
21 + 6 = 27
21 + 3 = 24
21 + 7 = 28
21 + 2 = 23
21 + 8 = 29
21 + 1 = 22
21 + 9 = 30
20 + 5 = 25
22 + 5 = 27
19 + 5 = 24
23 + 5 = 28
24 + 5 = 29
18 + 5 = 23
25 + 5 = 30
17 + 5 = 22
1 + 25 = 26
2 + 24 = 26
3 + 23 = 26
4 + 22 = 26
5 + 21 = 26
6 + 20 = 26
80 + 15 = 95
7 + 60 = 67
2 + 36 = 38
14 + 71 = 85
2 + 27 = 29
75 + 11 = 86
31 - 5 = 26
29 - 3 = 26