• 2022-06-11
    设[tex=8.357x1.357]XaUWLAEMGN2tBYX65t8ll4WpKi48pgDE3ZU2R6SrgnIGQctOpel24pROPa4L5HpH[/tex]. 从 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex] 中任意取出 [tex=0.5x0.786]BgHR5DBWke5rTEC5XEckiQ==[/tex] 行组成 [tex=2.357x1.071]0nq0b1fEFW/AV6tuzNPMsA==[/tex] 矩阵 [tex=0.786x1.0]ri6gmnf1+J9dGqG5/1sV6A==[/tex], 证明: [tex=7.643x1.214]k8PvTJe4iQVkvPfhUhxDGOwaNnkZqgQUgIJdIe4RTTNGk8EFtiHnt2Zd6yTQbq8j[/tex]
  • 举一反三