按规律填数:3,4,9,9,15,14,( ),19,( ),( )
问题描述:
按规律填数:3,4,9,9,15,14,( ),19,( ),( )
答
21.27.24.
答
21,27,24
答
1 3 5 ..分别是3 9 15 差6
2 4 6 分别是4 9 14 差5
所以 3,4,9,9,15,14,(21 ),19,(27 ),(24 )