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讓孩子的眼睛躍過圍墻！

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trim.37620B04-ACBE-4A83-BAE2-C096141D7C47.MOV
00:02:38
trim.37620B04-ACBE-4A83-BAE2-C096141D7C47.MOV
₯㎕。Smile° | 59 Views
trim.74B8772C-7D1A-4A83-9644-17262E11B4AD.MOV
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trim.74B8772C-7D1A-4A83-9644-17262E11B4AD.MOV
2023级实验3班14号聂瑞 | 119 Views
trim.96506F85-0985-4A83-ABEF-16954B3C6899.MOV
00:00:32
trim.96506F85-0985-4A83-ABEF-16954B3C6899.MOV
白羽 | 69 Views

4470BB93-8CE3-4A83-9A38-41FB11EAA08C.MOV

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曦 孙
曦 孙
4
Published on 12 Nov 2019 / In Education environment

数的守恒

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2 Comments sort Sort By
小燕姐
小燕姐 6 years ago

利用实物操作孩子更感兴趣

   0    0
pink
pink 6 years ago

动起手来总是那么专注。

   0    0
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trim.37620B04-ACBE-4A83-BAE2-C096141D7C47.MOV
00:02:38
trim.37620B04-ACBE-4A83-BAE2-C096141D7C47.MOV
₯㎕。Smile° | 59 Views
trim.74B8772C-7D1A-4A83-9644-17262E11B4AD.MOV
00:00:36
trim.74B8772C-7D1A-4A83-9644-17262E11B4AD.MOV
2023级实验3班14号聂瑞 | 119 Views
trim.96506F85-0985-4A83-ABEF-16954B3C6899.MOV
00:00:32
trim.96506F85-0985-4A83-ABEF-16954B3C6899.MOV
白羽 | 69 Views

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