• 2022-05-28
    若原始序列为X0={3,8,17,31,46},则一次累减列为X1=( )
    A: {3,5,6,3,-13}
    B: {3,11,28,59,105}
    C: {3,5,9,14,15}
    D: {3,11,25,48,77}
  • 举一反三