8,8,10,6,12,4,( ),( )找规律填数
问题描述:
8,8,10,6,12,4,( ),( )找规律填数
答
8,8,10,6,12,4,(14 ),(2 )
双重数列:
奇数列8,10,12,14,.是公差为2的等差数列
偶数列8,6,4,2,.是公差为2的等差数列