• 2022-06-09
     证明:设[tex=2.5x1.143]TiKXNJpck7QZybOVpHjBBQ==[/tex],则(1)[tex=4.071x1.357]XuP7RmUEJaAkHVU8iAv+9Q==[/tex];(2)[tex=4.214x1.357]AqKFQ399rus+wrghQrqZ2w==[/tex];(3)[tex=6.714x1.5]88w0pH97sf309OJM2l0ulfXdE4LOhDA5RyW64p7MDoY=[/tex]。[br][/br]
  • 举一反三