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中線定理(阿波羅尼奧斯)定理推廣二:向四邊形推廣
Author:
連琨銘
GeoGebra
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第八周作业
比較五件物件的重量
第八周作业1
GeoGebra数学资源(4-8年级)
龙形曲线-分形龙
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優良作品2(季緯)
ie 9
菱形有甚麼特性?
截平面
工具:PlaneText, PlaneArrow
Discover Topics
Trigonometric Functions
Orthocenter
Means
Quadrilaterals
Complex Numbers