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一元二次方程式
Author:
劉丹㥄
Topic:
Mathematics
GeoGebra
New Resources
兩組對邊相等的四邊形
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
球体的体积推导（优化版）
柱體建築師
Discover Resources
構成三角形的邊長條件
I am superman
分數(約分)
七下数学案例教程2-对顶角和邻补角例题
椭圆内反射
Discover Topics
Equations
Rectangle
Special Points
Triangles
Sphere