• 2022-05-27
    下列数列当中是等差数列的是:()
    A: 1,2,3,5,6,8,···
    B: 6,6,6,6,6,6,···
    C: 2,4,6,8,10,12,···
    D: 2,0,-2,-4,-6,-8,-10,···
  • 举一反三