找规律 40 42 44 () 41 43 45 () 43 45 47 () ()()()()
问题描述:
找规律 40 42 44 () 41 43 45 () 43 45 47 () ()()()()
答
40 42 44 (46)
41 43 45 (47)
43 45 47 (49)
46 48 50 52
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