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认识单数和双数PPT课件+教案+逐字稿

2026-08-12 01:15:12

认识单数和双数PPT课件+教案+逐字稿

认识单数和双数PPT课件+教案+逐字稿

不用枯燥灌输，循序渐进搭建单双数完整认知链条。
✨小动物找搭档情景开课，降低抽象知识理解门槛
📌重点解析特殊数字0，讲清0属于双数的原理
🎲抢答、看图判断、数字分类多种课堂活动
🔍结合生活实物举例，让孩子发现身边的单双数
全套课件附带教案和逐字稿，拿到直接开课。

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四川,35分钟前,

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CONNECT:[ UseTime:0.000723s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000697s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000301s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000264s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000532s ]
SELECT * FROM `set` [ RunTime:0.000204s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000571s ]
SELECT * FROM `article` WHERE `id` = 522015 LIMIT 1 [ RunTime:0.000333s ]
UPDATE `article` SET `lasttime` = 1786512032 WHERE `id` = 522015 [ RunTime:0.002174s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000317s ]
SELECT * FROM `article` WHERE `id` < 522015 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000385s ]
SELECT * FROM `article` WHERE `id` > 522015 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003947s ]
SELECT * FROM `article` WHERE `id` < 522015 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002308s ]
SELECT * FROM `article` WHERE `id` < 522015 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.004441s ]
SELECT * FROM `article` WHERE `id` < 522015 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008120s ]

0.171905s

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