20 加法 22 等于多少？
20 + 22 = 42
20加法22 等于 42
竖式演算
验算
- 用减法验算：42 − 22 = 20
- 用减法验算：42 − 20 = 22
相关题目
20 + 21 = 41
20 + 23 = 43
20 + 20 = 40
20 + 24 = 44
20 + 19 = 39
20 + 25 = 45
20 + 26 = 46
20 + 18 = 38
19 + 22 = 41
21 + 22 = 43
22 + 22 = 44
18 + 22 = 40
23 + 22 = 45
17 + 22 = 39
24 + 22 = 46
16 + 22 = 38
1 + 41 = 42
2 + 40 = 42
3 + 39 = 42
4 + 38 = 42
5 + 37 = 42
6 + 36 = 42
7 + 71 = 78
33 + 50 = 83
51 + 22 = 73
12 + 26 = 38
13 + 6 = 19
22 + 75 = 97
63 - 21 = 42
97 - 55 = 42