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劉虹圻 垂心
Author:
呂麗珠
Topic:
Orthocenter
GeoGebra
New Resources
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
找出對稱軸
兩位數加法
Discover Resources
把四邊形分類
三角函數
工作紙題2
gjh-g01-01 單項乘以兩項差
桃子Peach
Discover Topics
Integral Calculus
Linear Programming or Linear Optimization
Tangent Function
Random Experiments
Tangent Line or Tangent