30 减法 22 等于多少？
30 - 22 = 8
30减法22 等于 8
竖式演算
验算
- 用加法验算：8 + 22 = 30
相关题目
30 - 21 = 9
30 - 23 = 7
30 - 20 = 10
30 - 24 = 6
30 - 19 = 11
30 - 25 = 5
30 - 26 = 4
30 - 18 = 12
29 - 22 = 7
31 - 22 = 9
32 - 22 = 10
28 - 22 = 6
33 - 22 = 11
27 - 22 = 5
34 - 22 = 12
26 - 22 = 4
9 - 1 = 8
10 - 2 = 8
11 - 3 = 8
12 - 4 = 8
13 - 5 = 8
14 - 6 = 8
50 - 19 = 31
81 - 49 = 32
45 - 29 = 16
96 - 49 = 47
86 - 69 = 17
74 - 8 = 66
2 + 6 = 8
4 + 4 = 8