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
52 + 47 = 99
28 + 1 = 29
54 + 100 = 154
24 + 33 = 57
44 + 4 = 48
2 + 16 = 18
55 - 12 = 43
59 - 16 = 43