52 减法 40 等于多少?
52 - 40 = 12
52减法40 等于 12
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验算
- 用加法验算:12 + 40 = 52
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52 - 39 = 13
52 - 41 = 11
52 - 38 = 14
52 - 42 = 10
52 - 37 = 15
52 - 43 = 9
52 - 44 = 8
52 - 36 = 16
51 - 40 = 11
53 - 40 = 13
50 - 40 = 10
54 - 40 = 14
49 - 40 = 9
55 - 40 = 15
56 - 40 = 16
48 - 40 = 8
13 - 1 = 12
14 - 2 = 12
15 - 3 = 12
16 - 4 = 12
17 - 5 = 12
18 - 6 = 12
87 - 60 = 27
97 - 11 = 86
98 - 10 = 88
89 - 78 = 11
64 - 10 = 54
43 - 43 = 0
4 + 8 = 12
6 + 6 = 12