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讓孩子的眼睛躍過圍墻！

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trim.5F3EAF7C-6A3F-4F79-8F17-3BB667C5A65E.MOV
00:03:35
trim.5F3EAF7C-6A3F-4F79-8F17-3BB667C5A65E.MOV
卟丢嘴 | 56 Views
trim.49A52231-F8C3-4F79-A39D-205B20956464.MOV
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trim.49A52231-F8C3-4F79-A39D-205B20956464.MOV
松柏 李 | 59 Views
trim.9697EBEB-3E28-4F79-9BBB-35B342F32D3B.MOV
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trim.9697EBEB-3E28-4F79-9BBB-35B342F32D3B.MOV
2023级实验1班13号曾子诺 | 70 Views
trim.FA4A20E5-C379-4DDD-A843-0543D18DD381.MOV
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trim.FA4A20E5-C379-4DDD-A843-0543D18DD381.MOV
颜帅 颜 | 79 Views
trim.B0E261E4-A843-4DE7-BFE0-0712B80BB99A.MOV
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trim.B0E261E4-A843-4DE7-BFE0-0712B80BB99A.MOV
实验学前2班28号文子艺 | 61 Views
对牛弹琴trim.778CD0DB-97AC-430F-A843-44C2D1BF1580.MOV
00:00:16
对牛弹琴trim.778CD0DB-97AC-430F-A843-44C2D1BF1580.MOV
刘诗佩 | 113 Views
trim.A2CE636D-65C2-4E43-A98C-4FCDFF09CDA0.MOV
00:00:40
trim.A2CE636D-65C2-4E43-A98C-4FCDFF09CDA0.MOV
何妍熹 何 | 92 Views
trim.75DA4E30-0A85-4F79-A9BA-7AEB6C821388.MOV岳航锐4.13作业2
00:02:49
trim.75DA4E30-0A85-4F79-A9BA-7AEB6C821388.MOV岳航锐4.13作业2
TONY | 104 Views
trim.046ABEAF-D746-4F79-8D59-B63B73C77ACD.MOV
0:32
trim.046ABEAF-D746-4F79-8D59-B63B73C77ACD.MOV
13 蒲俊辰 | 5 Views

E09D1597-65C2-4F79-A843-5099E22293F5.MOV

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3 张语
3 张语
5
Published on 26 Dec 2019 / In Education environment

比较轻重

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Hello
Hello 6 years ago

轻和重是一组常见的比较概念，利用天平进行比较是最直接的表达方式。在家里可以制作简易天平让孩子进行操作演示！

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trim.5F3EAF7C-6A3F-4F79-8F17-3BB667C5A65E.MOV
00:03:35
trim.5F3EAF7C-6A3F-4F79-8F17-3BB667C5A65E.MOV
卟丢嘴 | 56 Views
trim.49A52231-F8C3-4F79-A39D-205B20956464.MOV
00:00:56
trim.49A52231-F8C3-4F79-A39D-205B20956464.MOV
松柏 李 | 59 Views
trim.9697EBEB-3E28-4F79-9BBB-35B342F32D3B.MOV
00:02:22
trim.9697EBEB-3E28-4F79-9BBB-35B342F32D3B.MOV
2023级实验1班13号曾子诺 | 70 Views
trim.FA4A20E5-C379-4DDD-A843-0543D18DD381.MOV
00:02:00
trim.FA4A20E5-C379-4DDD-A843-0543D18DD381.MOV
颜帅 颜 | 79 Views
trim.B0E261E4-A843-4DE7-BFE0-0712B80BB99A.MOV
00:05:41
trim.B0E261E4-A843-4DE7-BFE0-0712B80BB99A.MOV
实验学前2班28号文子艺 | 61 Views
对牛弹琴trim.778CD0DB-97AC-430F-A843-44C2D1BF1580.MOV
00:00:16
对牛弹琴trim.778CD0DB-97AC-430F-A843-44C2D1BF1580.MOV
刘诗佩 | 113 Views
trim.A2CE636D-65C2-4E43-A98C-4FCDFF09CDA0.MOV
00:00:40
trim.A2CE636D-65C2-4E43-A98C-4FCDFF09CDA0.MOV
何妍熹 何 | 92 Views
trim.75DA4E30-0A85-4F79-A9BA-7AEB6C821388.MOV岳航锐4.13作业2
00:02:49
trim.75DA4E30-0A85-4F79-A9BA-7AEB6C821388.MOV岳航锐4.13作业2
TONY | 104 Views
trim.046ABEAF-D746-4F79-8D59-B63B73C77ACD.MOV
0:32
trim.046ABEAF-D746-4F79-8D59-B63B73C77ACD.MOV
13 蒲俊辰 | 5 Views

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