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FBFD5F8A-4115-46D9-AF9F-04058E5CF0E4.MOV

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Published on 03 Dec 2019 / In Education environment

19.12.3

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Hello
Hello 6 years ago

“数概念”可以说是幼儿数学思维启蒙的开端,也是孩子后续发展一切数学活动的基础。

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