52 减法 22 等于多少？
52 - 22 = 30
52减法22 等于 30
竖式演算
验算
- 用加法验算：30 + 22 = 52
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52 - 21 = 31
52 - 23 = 29
52 - 20 = 32
52 - 24 = 28
52 - 19 = 33
52 - 25 = 27
52 - 26 = 26
52 - 18 = 34
51 - 22 = 29
53 - 22 = 31
50 - 22 = 28
54 - 22 = 32
49 - 22 = 27
55 - 22 = 33
56 - 22 = 34
48 - 22 = 26
31 - 1 = 30
32 - 2 = 30
33 - 3 = 30
34 - 4 = 30
35 - 5 = 30
36 - 6 = 30
88 - 12 = 76
65 - 31 = 34
54 - 1 = 53
17 - 11 = 6
15 - 1 = 14
43 - 20 = 23
30 × 1 = 30
8 + 22 = 30