• 2022-06-15
    求不定方程 [tex=7.786x1.429]OTX9yKw2jqZLov61HgcApAA2TqEp2qWm4AM80l16LbQ=[/tex] 的正整数解
  • 由 [tex=8.071x1.429]CnC2GiyWWXiAoiJXq9eBUS+uyS0VwnyDrMoK635yyIY=[/tex] 得 [tex=8.571x1.357]wLk3rOIngLt09wA5QvmjklVXtY9psJ8brTYw8ongJc8=[/tex]得[tex=12.214x2.786]7EJHVCtO2IWq3KpdB+jQsjJ52TpDAW9DUw563yduzYnNwjI5GkjUxnEkrx1Zz9bx3gGXNYKWSpdjVwCBlDkRuQ8GIevS/8jrgGmNsv69X8A9fCpNfLkVbE4r76DxaPVETREKo1zIb4Nka6Blhu99UB0MQ7jyZjkUR3iaeeKINXE=[/tex]即[tex=8.643x2.786]7EJHVCtO2IWq3KpdB+jQsjxq6gsQC+ngEF4yYRPhyxTyU1Jh5GIfGnd6WFQuBFe4iaunjnGPvOYik++ls3zL571EVAvP9WFiZM6GfvDVKCbyAU6BekQSqEV5iAp0FjH1QqhL0hW8w2+Vrgx6GzareEmwv5gVh3HaNY2cpQY+1VY=[/tex]

    内容

    • 0

      将下面命题符号化:只有在正整数[tex=2.5x1.143]W6+C7DnF3HN/exqxnXch/Q==[/tex]时,不定方程[tex=4.571x1.214]F+SAlxNthCcHxEYrDdjIi67IolmYW99H0tst1XJmCB0=[/tex]才有正整数解。

    • 1

      2,求方程的正整数解:①5x+7y=87,②5x+3y=110

    • 2

      若方程ax=5x+3的解为x=5,则a的值为( ) A: 80 B: 4 C: 16 D: 2

    • 3

      若方程 [tex=7.571x1.5]eE9dXkpN2effVrNkAbXJmDNYmMkIpkoe7jmdblrxZ5TuC1x8wV/nUTvcBWC6ym3u[/tex] 有满足[tex=7.786x1.429]GD62fUMGXAiRkEnEziGW1Sdi6mmauxWlYm42Q4RYFQV10ikjoonAuzfa8aa0hNCd9Kc8fnDwWg/8Cb547KzVCQ==[/tex]的非零解, 求[tex=0.857x0.786]WEW4gRx/obtjQ5FFc8gkYg==[/tex][br][/br]

    • 4

       设 [tex=0.929x0.786]VF0GLe2VBE/4VKNzpyOfFg==[/tex] 是形如[tex=2.429x1.143]fdxby+wIXypZqWS2dpwUkA==[/tex] 的整数,试证: 不定方程[tex=6.0x1.429]OuwRYs6qkoGwOGzBs+NLYpKGlHnqo6fVqLQAVOIv/+E=[/tex] 没有整数解.