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20年中考数学真题|这道几何题,全班只有3个人做对!

  • 2026-05-18 20:54:20
20年中考数学真题|这道几何题,全班只有3个人做对!

欢迎来评论区讨论！

20年中考数学真题14题，当时难倒一大半学生，看一下你能想到怎么解嘛？把你想法留在评论区吧！（先思考再看答案哦！）

给出两个解法：

1️⃣：利用中位线

2️⃣：利用坐标系

中考每日练：5.16；

考前练手什么时候都不晚！快行动起来吧！

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2026年上海市杨浦区数学二模试卷含详解

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  1. CONNECT:[ UseTime:0.001078s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001807s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000770s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000676s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001443s ]
  6. SELECT * FROM `set` [ RunTime:0.000559s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001482s ]
  8. SELECT * FROM `article` WHERE `id` = 493657 LIMIT 1 [ RunTime:0.001246s ]
  9. UPDATE `article` SET `lasttime` = 1779130297 WHERE `id` = 493657 [ RunTime:0.003210s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000299s ]
  11. SELECT * FROM `article` WHERE `id` < 493657 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000492s ]
  12. SELECT * FROM `article` WHERE `id` > 493657 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000414s ]
  13. SELECT * FROM `article` WHERE `id` < 493657 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004828s ]
  14. SELECT * FROM `article` WHERE `id` < 493657 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002252s ]
  15. SELECT * FROM `article` WHERE `id` < 493657 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001381s ]
0.106027s