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四年级下册数学《四则运算》易错考点笔记,包括易错知识梳理+8大易错考点讲练+20道真题拔尖练,每一题都是往年典型~

  • 2026-11-03 03:12:57
四年级下册数学《四则运算》易错考点笔记,包括易错知识梳理+8大易错考点讲练+20道真题拔尖练,每一题都是往年典型~

这份资料是人教版四年级下册数学《四则运算》培优解析版讲义，含易错知识梳理、八大易错考点讲练及 20 道真题拔尖练，共 44 题。

核心考点涵盖加减乘除各部分关系、含括号混合运算、巧填算符、租船购票等实际问题，精选名校易错题与历年真题。通过易错点剖析 + 例题精讲 + 变式训练，帮助学生攻克难点、规范运算顺序，强化解题技巧，适配培优拔尖、单元复习及期末期中冲刺需求。

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  1. CONNECT:[ UseTime:0.000659s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001095s ]
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  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000779s ]
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  9. UPDATE `article` SET `lasttime` = 1793658795 WHERE `id` = 530456 [ RunTime:0.001597s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000381s ]
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  12. SELECT * FROM `article` WHERE `id` > 530456 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000618s ]
  13. SELECT * FROM `article` WHERE `id` < 530456 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000956s ]
  14. SELECT * FROM `article` WHERE `id` < 530456 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000989s ]
  15. SELECT * FROM `article` WHERE `id` < 530456 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000909s ]
0.111527s