求音乐:1,5,9,13(),21,25怎么填 1,3,9,27(),243,729
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求音乐:1,5,9,13(),21,25怎么填 1,3,9,27(),243,729
1,5,9,13(17),21,25 (加4)
1,3,9,27(81),243,729 (乘3)
17
81
求音乐:1,5,9,13(),21,25怎么填 1,3,9,27(),243,729
1,5,9,13(17),21,25 (加4)
1,3,9,27(81),243,729 (乘3)
17
81