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蝴蝶線 butterfly line
Author:
MathChou
Click "Run/Stop" button to try the move.
GeoGebra
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兩組對邊相等的四邊形
兩位數加法
兩位數除以一位數（一）
異分母分數減法
三位數除以一位數（二）
Discover Resources
阿波羅尼斯圓
立體圖形 KH
函數的定義
test
三角形重心的变化.许兴华数学
Discover Topics
Root
Linear Functions
Rhombus
Stochastic Process or Random Process
Normal Distribution