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20191106大A班冉皓宇《判断对错~数的守恒》

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皓宇 冉
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Published on 06 Nov 2019 / In Education environment

大A班冉皓宇

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vvvv
vvvv 6 years ago

《数的守恒》引导孩子在判断物体数量时,不能受物体形状大小的干扰,正确理解数的实际操作。宝贝你已经完全掌握了,你真棒。

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