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好文共欣赏|中英初中数学教材“直角三角形”内容比较及启示

  • 2026-06-19 13:35:20
好文共欣赏|中英初中数学教材“直角三角形”内容比较及启示

      本文是瞿田波,高敏.发表在《中学数学教学参考》2026年第8期上的文章.

       参考文献格式：         

瞿田波,高敏. 中英初中数学教材“直角三角形”内容比较及启示 [J]. 中学数学教学参考, 2026, (8): 85-88.

        来源 | 《中国知网》

       声明： 以上内容仅作分享，版权属原作者及原出处所有。如涉及版权等问题，请联系我们处理。

整体统摄  快慢相谐

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  1. CONNECT:[ UseTime:0.000704s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001700s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000733s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000670s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001430s ]
  6. SELECT * FROM `set` [ RunTime:0.000654s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001582s ]
  8. SELECT * FROM `article` WHERE `id` = 468903 LIMIT 1 [ RunTime:0.000903s ]
  9. UPDATE `article` SET `lasttime` = 1781862258 WHERE `id` = 468903 [ RunTime:0.042762s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000766s ]
  11. SELECT * FROM `article` WHERE `id` < 468903 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001043s ]
  12. SELECT * FROM `article` WHERE `id` > 468903 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001049s ]
  13. SELECT * FROM `article` WHERE `id` < 468903 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001675s ]
  14. SELECT * FROM `article` WHERE `id` < 468903 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012484s ]
  15. SELECT * FROM `article` WHERE `id` < 468903 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001749s ]
0.156108s