找规律填数,2,10,4,9,6,8后面是多少
小学奥数
1、2,10,4,9,6,8后面应该是8,7,10,6,12,5,14,4,16,3,18,2,20,1,22,0
2、解释:
2,10,4,9,6,8数列,奇数列是按2,4,6,8,10公差为2 等差数列,偶数列是安照10,9,8,7,6公差为-1的等差数列,按此规律可得,气候数据依次为8,7,10,6,12,5,14,4,16,3,18,2,20,1,22,0