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劉虹圻 內心
Author:
呂麗珠
GeoGebra
New Resources
兩組對邊相等的四邊形
近似值：有效數字
長方體平面投影 (Codex版)
Fibonacci Clock
拼砌四邊形
Discover Resources
二次函數的圖形
正12面體內接正四面體
Properties of a Parallelogram
圓周和直徑(一)NEW
周界(移邊)
Discover Topics
Binomial Distribution
Rational Numbers
Hypothesis Testing
Geometric Distribution
Dilation