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图形的拼组
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图形的拼组. 瞿溪三小 唐 亮. 长方形对边的长度. 正方形四条边的长度. 对边. 沿虚线折一折。比一比长方形的 ,再比一比正方形的 。你发现了什么?. 四条边. 都相等. 相等. 你会做风车吗?. 你发现了哪些图形 ?. 你能用一个圆剪出一个正方形吗?. 用这样的两个长方形拼一拼,你能拼成什么图形?. 这两个一样的大长方形能拼成正方形吗 ?. 用大小相同的 4 个正方形能拼出什么图形?. 小组合作,用 4 个 拼一拼,能拼出什么图形?. 用 6 个 拼一拼这个六边形。.
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图形的拼组
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