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沈暐珊 橢圓反射
Author:
fu0 fu6
GeoGebra
New Resources
球体的体积推导（优化版）
球体的体积推导
画直线等分三角形的面积
漂亮的摇摆曲线
探究三角形的全等條件
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比較小數的大小
qqqqqq
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
三角函數的繪圖1
這是什麼角？的副本
Discover Topics
Geometric Transformations
Symmetry
LCM and GCD
Isosceles Triangles
Algebra