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20200709到两点距离的运算值为定值
Author:
陈敦莹
GeoGebra
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比較五件物件的重量
小学资源收集
第八周作业1
第八周作业2
折扣
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不規則填色
小四平面圖形學習單
由線段與弧構成的封閉區域填色
拋物線
S3 Ex4.3 Q02(3D圖)
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Straight Lines
Centroid or Barycenter
Angles
Curve Sketching
Numbers