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四年级上册数学期中复习重难点汇总

  • 2026-11-04 15:18:33

四年级上册数学期中复习重难点汇总

四年级上册期中马上就要到了，给大家整理了6道高频压轴易错题，都是考试最容易丢分的题型：
钟面角度问题
盈亏问题（双盈、双亏、一盈一亏）
还原问题（倒推法）
行程问题（速度差）
#四年级数学 #四年级上册 #小学数学 #期中复习 #小学数学思维

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江苏,3小时前,
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三年级上册语文期中复习专项练习

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000734s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000894s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000414s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000359s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000530s ]
  6. SELECT * FROM `set` [ RunTime:0.000261s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000655s ]
  8. SELECT * FROM `article` WHERE `id` = 536559 LIMIT 1 [ RunTime:0.000433s ]
  9. UPDATE `article` SET `lasttime` = 1793795539 WHERE `id` = 536559 [ RunTime:0.001178s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000293s ]
  11. SELECT * FROM `article` WHERE `id` < 536559 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000406s ]
  12. SELECT * FROM `article` WHERE `id` > 536559 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000398s ]
  13. SELECT * FROM `article` WHERE `id` < 536559 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000512s ]
  14. SELECT * FROM `article` WHERE `id` < 536559 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000533s ]
  15. SELECT * FROM `article` WHERE `id` < 536559 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000578s ]
0.100742s