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发表于2024-11-25
Dave's Down-To-Earth Rock Shop pdf epub mobi txt 电子书 下载 2024
Josh and Amy have a rock collection, and they're learning everything about rocks from their friend Dave. When the time comes to organize their collection, Josh and Amy must practice the math skill of classification -- grouping objects by attributes such as color, shape, or size.
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Dave's Down-To-Earth Rock Shop pdf epub mobi txt 电子书 下载 2024