9 加法 22 等于多少？
9 + 22 = 31
9加法22 等于 31
竖式演算
验算
- 用减法验算：31 − 22 = 9
- 用减法验算：31 − 9 = 22
相关题目
9 + 21 = 30
9 + 23 = 32
9 + 20 = 29
9 + 24 = 33
9 + 19 = 28
9 + 25 = 34
9 + 26 = 35
9 + 18 = 27
8 + 22 = 30
10 + 22 = 32
11 + 22 = 33
7 + 22 = 29
12 + 22 = 34
6 + 22 = 28
13 + 22 = 35
5 + 22 = 27
1 + 30 = 31
2 + 29 = 31
3 + 28 = 31
4 + 27 = 31
5 + 26 = 31
6 + 25 = 31
31 + 81 = 112
67 + 92 = 159
19 + 1 = 20
77 + 19 = 96
63 + 52 = 115
42 + 91 = 133
32 - 1 = 31
81 - 50 = 31