22 加法 21 等于多少？
22 + 21 = 43
22加法21 等于 43
竖式演算
验算
- 用减法验算：43 − 21 = 22
- 用减法验算：43 − 22 = 21
相关题目
22 + 20 = 42
22 + 22 = 44
22 + 19 = 41
22 + 23 = 45
22 + 24 = 46
22 + 18 = 40
22 + 25 = 47
22 + 17 = 39
21 + 21 = 42
23 + 21 = 44
20 + 21 = 41
24 + 21 = 45
19 + 21 = 40
25 + 21 = 46
26 + 21 = 47
18 + 21 = 39
1 + 42 = 43
2 + 41 = 43
3 + 40 = 43
4 + 39 = 43
5 + 38 = 43
6 + 37 = 43
44 + 43 = 87
42 + 12 = 54
100 + 88 = 188
32 + 66 = 98
100 + 67 = 167
31 + 27 = 58
52 - 9 = 43
61 - 18 = 43