• 2022-05-31
    设[tex=0.786x1.0]AOSTmhvIsOwsdZlGoks7dg==[/tex]是整环, 证明: [tex=1.929x1.357]d5PlggfPq7IWhxnCFu/8ng==[/tex] 也是整环, 且若[tex=8.714x1.357]oVr3Dwq4mCJpVeSnaB2gBav6gzXX+4IxyzkrLDKnpT4ofCdHisdPAVuC8sqanZWC[/tex], 则[tex=16.5x1.357]79Wd/JsaQKi3RBB3vwr83y9aNKwSst378OWInw7DpxyGmQvFvzv47TsWEB5CANufqeVJfC5Y+JfjLUHVVTF8QBv5sk3NVPESDFkfmPLVHWl2szY4MP7dPrINkk8Lxn2x[/tex] 
  • 举一反三