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高考椭圆题的动态演示1.许兴华数学
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许兴华数学
Topic:
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GeoGebra
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算柱 (兩位數)
三位數除以一位數（一）
畫出對稱圖形
找出對稱軸
判斷球體
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畢式定理（丞昀）
生活中的平面圖形關係─平行
k126各國基地
circle
Ｍy GGC-1
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Combinatorics
Volume
Stochastic Process or Random Process
Bar Chart or Bar Graph
Cylinder