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【高考模拟题探究:等轴双曲线(反比例函数)的性质】2026年10月广州十校联考第18题、极坐标参数方程、高次韦达定理、九点圆、四点垂心组

  • 2026-10-21 07:12:36
【高考模拟题探究:等轴双曲线(反比例函数)的性质】2026年10月广州十校联考第18题、极坐标参数方程、高次韦达定理、九点圆、四点垂心组
题源：（2026年10月广州十校联考第18题）
解法1:（极坐标与四次方程韦达定理）
解法2:（极坐标与参数方程法）
解法3:（旋转法+韦达定理）
            等轴双曲线的一些优美性质及证明
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  1. CONNECT:[ UseTime:0.000553s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000699s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000374s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000380s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000662s ]
  6. SELECT * FROM `set` [ RunTime:0.000353s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000595s ]
  8. SELECT * FROM `article` WHERE `id` = 525544 LIMIT 1 [ RunTime:0.000330s ]
  9. UPDATE `article` SET `lasttime` = 1792543074 WHERE `id` = 525544 [ RunTime:0.001094s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000341s ]
  11. SELECT * FROM `article` WHERE `id` < 525544 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000477s ]
  12. SELECT * FROM `article` WHERE `id` > 525544 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000445s ]
  13. SELECT * FROM `article` WHERE `id` < 525544 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000785s ]
  14. SELECT * FROM `article` WHERE `id` < 525544 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000613s ]
  15. SELECT * FROM `article` WHERE `id` < 525544 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000518s ]
0.098439s