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二年级上数学《期中复习易错专练》:电子版含答案

  • 2026-11-11 20:27:11
二年级上数学《期中复习易错专练》:电子版含答案

二年级上册数学《期中复习易错专练》，把期中常考、必考、易错的知识点一次练到：分类与整理、乘法的初步认识、2-6的乘法口诀、除法的初步认识、用2-6的乘法口诀求商、认识东、南、西、北。每个知识点都配「解题锦囊」和易错题，后面附答案。需要的家长打印出来，让孩子练一练吧！

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最新!2026年河西区、河北区上学期期中试卷(九年级)

基本 文件 流程 错误 SQL 调试
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  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000984s ]
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  6. SELECT * FROM `set` [ RunTime:0.000329s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000672s ]
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  9. UPDATE `article` SET `lasttime` = 1794408959 WHERE `id` = 545157 [ RunTime:0.001253s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000320s ]
  11. SELECT * FROM `article` WHERE `id` < 545157 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000452s ]
  12. SELECT * FROM `article` WHERE `id` > 545157 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000355s ]
  13. SELECT * FROM `article` WHERE `id` < 545157 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000415s ]
  14. SELECT * FROM `article` WHERE `id` < 545157 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000542s ]
  15. SELECT * FROM `article` WHERE `id` < 545157 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000477s ]
0.090010s