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石家庄 42 中、28 中二次函数专题精讲

  • 2026-05-28 11:09:44
石家庄 42 中、28 中二次函数专题精讲

石家庄四十二中、二十八中二次函数专题精讲

石家庄 42 中、28 中二轮统考里，二次函数固定占据压轴大题、填空多选重难点，题型灵活、套路多、易错点密集，是绝大多数同学的失分重灾区。 一轮重基础，二轮重题型、重压轴、重解题模型！
今天给大家整理的中考二轮・二次函数专项试卷，完全对标石家庄本地名校考情，精选 42 中、28 中高频真题 + 模拟压轴，帮同学们系统突破二次函数难点。快速对自身进行查漏补缺，助力中考取得理想分数！
河北,44分钟前,2026年5月26日
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  1. CONNECT:[ UseTime:0.000646s ] mysql:host=127.0.0.1;port=3306;dbname=nowww460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000883s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000331s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000307s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000544s ]
  6. SELECT * FROM `set` [ RunTime:0.000225s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000556s ]
  8. SELECT * FROM `article` WHERE `id` = 514806 LIMIT 1 [ RunTime:0.000417s ]
  9. UPDATE `article` SET `lasttime` = 1779956628 WHERE `id` = 514806 [ RunTime:0.002590s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000244s ]
  11. SELECT * FROM `article` WHERE `id` < 514806 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000443s ]
  12. SELECT * FROM `article` WHERE `id` > 514806 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000401s ]
  13. SELECT * FROM `article` WHERE `id` < 514806 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000685s ]
  14. SELECT * FROM `article` WHERE `id` < 514806 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001507s ]
  15. SELECT * FROM `article` WHERE `id` < 514806 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000753s ]
0.085529s