找规律填数字:3,6,5,10,9,( ),( ),

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找规律填数字:3,6,5,10,9,( ),( ),

找规律填数字:3,6,5,10,9,( ),( ),
找规律填数字:3,6,5,10,9,( ),( ),

找规律填数字:3,6,5,10,9,( ),( ),
18,17
3×2=6 6-1=5
5×2=10 10-1=9
9×2=18 18-1=17

18;17

18,17

3,6,5,10,9,(18),(17),34,33,66,65,130……

3,6,5,10,9,( 18),(17 ),

18 17

3,6,5,10,9,(18),(17 ),

18,17

3,6,5,10,9,18,17