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第一組-垂心
Author:
mathguo
Topic:
Orthocenter
第一組-垂心
GeoGebra
New Resources
四邊形的特性
拼砌四邊形
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
kevin
Triangle
判別y是否為x的函數圖形(隨機練習)
semops_錐體
y=Asin(wx+f)图像变换
Discover Topics
Differential Calculus
Straight Lines
Poisson Distribution
Fractions
Trapezoid