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考前必刷!天津初三期中真题+解析

  • 2026-11-01 08:50:12
考前必刷!天津初三期中真题+解析

数学空白卷 ＋ 参考解析

扫码添加 文文老师发送 红桥期中，备注 数学

红桥九年级数学期中卷第23题涉及售价、销量与利润。它适合检查从实际问题建立函数关系的能力，原卷与逐题解析可搭配练习。

先区分每个量的含义

动笔前写清售价、单件利润、销量和总利润的关系，再根据材料列式。尤其注意自变量的取值范围，不要求出顶点就直接作为答案。

回到题意检查结果

对照解析重点看建模、范围限制和最值判断。订正后先口述解题顺序，再独立写一遍过程，确认每一步都能说明理由。

数学空白试卷节选

数学空白试卷 · PDF第6页

数学参考解析节选

数学参考解析 · PDF第14页

需要这份数学试卷及参考解析，可扫码添加文文老师，发送红桥期中并备注数学咨询领取。

数学空白卷 ＋ 参考解析

扫码添加 文文老师发送 红桥期中，备注 数学

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2027年公务员考试考前冲刺 第1天·政治理论·时政专题

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  1. CONNECT:[ UseTime:0.000470s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000605s ]
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  6. SELECT * FROM `set` [ RunTime:0.000284s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000676s ]
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  9. UPDATE `article` SET `lasttime` = 1793523027 WHERE `id` = 531557 [ RunTime:0.001439s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000305s ]
  11. SELECT * FROM `article` WHERE `id` < 531557 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000430s ]
  12. SELECT * FROM `article` WHERE `id` > 531557 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000333s ]
  13. SELECT * FROM `article` WHERE `id` < 531557 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000442s ]
  14. SELECT * FROM `article` WHERE `id` < 531557 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000548s ]
  15. SELECT * FROM `article` WHERE `id` < 531557 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000644s ]
0.087229s