• 2022-11-03
    试证  [tex=2.571x1.214]ZwoQdX9zV/yoOOIWeiuBTQ==[/tex] 将互相正交的直线族 [tex=3.429x1.214]c8f8pYOWcLRchWEduA0fr4v2gEsHjYfvkaHr9FPAfr0=[/tex] 与 [tex=3.429x1.214]Hxr+WAd0pdX8wRxoSXYGR+f/NqFyKrh/v+UDgbj3vH4=[/tex]依次变为互相正交的直线族 [tex=4.429x1.143]E3uukKSi4S37dJpdyQSSHd5qpTgOZCAdHgA0k/NtiXU=[/tex] 与圆周族 [tex=5.429x1.357]SVM480MffC30BR8cwvrx5n9DMLF508z1xMivhMJP7yE=[/tex] .
  • 举一反三