找规律,填上合适的数1,2,4,4,9,8,16,16( ) ( ) 1,2,3,4,5,12,7,48,()() 1,3,8,22,()(),448
问题描述:
找规律,填上合适的数1,2,4,4,9,8,16,16( ) ( ) 1,2,3,4,5,12,7,48,()() 1,3,8,22,()(),448
3,4,7,11,18,29,()() 3,1,6,3,12,4,24,7( )( )
答
1,2,4,4,9,8,16,16,(25),(32) 奇数项:1,4,9,16,……分别是1、2、3、4的平方;偶数项:2,4,8,16,……依次扩大到2倍1,2,3,4,5,12,7,48,( 9 ),(240) 奇数项:1,3,5,7,……,为连续奇数;偶数项:2,4,12,48,……,前一个...