8 加法 22 等于多少？
8 + 22 = 30
8加法22 等于 30
竖式演算
验算
- 用减法验算：30 − 22 = 8
- 用减法验算：30 − 8 = 22
相关题目
8 + 21 = 29
8 + 23 = 31
8 + 20 = 28
8 + 24 = 32
8 + 19 = 27
8 + 25 = 33
8 + 26 = 34
8 + 18 = 26
7 + 22 = 29
9 + 22 = 31
6 + 22 = 28
10 + 22 = 32
11 + 22 = 33
5 + 22 = 27
12 + 22 = 34
4 + 22 = 26
1 + 29 = 30
2 + 28 = 30
3 + 27 = 30
4 + 26 = 30
5 + 25 = 30
6 + 24 = 30
13 + 7 = 20
30 + 98 = 128
68 + 80 = 148
94 + 52 = 146
54 + 27 = 81
60 + 65 = 125
95 - 65 = 30
57 - 27 = 30