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...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,……,前一个偶数项依次乘2...
2年级数字找规律 1,4,3,6,5,(),(),应填几?答:1,4,3,6,5,(8 ),(7 )