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新四年级(上)数学角的度量专项练习

  • 2026-11-10 09:45:12
新四年级(上)数学角的度量专项练习

新四年级（上）数学角的度量专项练习

不少孩子分不清内外刻度，量角时摆放量角器容易出错，判断角度大小也常常凭感觉。 借助针对性练习熟悉操作步骤，慢慢建立角度感知，稳住几何入门基础。

✅ 更多学习资料：
①：点一点右下角的“👍”和“❤️”！
②：在公众号对话框中回：33
#四年级上册数学 #角的度量专项练 #小学数学几何 #四年级同步巩固 #数学实操训练 #课内考点梳理 #小学生数学打卡

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26新八上道法期中专项练习|答题思路梳理

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000851s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001110s ]
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  6. SELECT * FROM `set` [ RunTime:0.000279s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000680s ]
  8. SELECT * FROM `article` WHERE `id` = 542073 LIMIT 1 [ RunTime:0.000418s ]
  9. UPDATE `article` SET `lasttime` = 1794276782 WHERE `id` = 542073 [ RunTime:0.001393s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000332s ]
  11. SELECT * FROM `article` WHERE `id` < 542073 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000392s ]
  12. SELECT * FROM `article` WHERE `id` > 542073 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000373s ]
  13. SELECT * FROM `article` WHERE `id` < 542073 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000484s ]
  14. SELECT * FROM `article` WHERE `id` < 542073 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000489s ]
  15. SELECT * FROM `article` WHERE `id` < 542073 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000557s ]
0.092773s