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拋物線規
Author:
Ho-Kai Chen
Topic:
Parabola
拋物線上的點到焦點與到準線等距
GeoGebra
New Resources
找出對稱軸
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（一）
拼砌四邊形
Discover Resources
bkb-切割线定理
滑桿動畫
n星角
幾何塗色
七巧板（tangram）的副本
Discover Topics
Limits
Ratios
Circumcircle or Circumscribed Circle
Tangent Function
Variance