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平行四邊形與三角形
Author:
李春培
Topic:
Area
平行四邊形與三角形
GeoGebra
New Resources
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
四邊形的特性
找出對稱軸
Discover Resources
QP3.18
梯形(面積)
Orthocentre
圓周率的應用 題1
两个等腰三角形
Discover Topics
Tangent Function
Diagrams
Arithmetic
Rational Numbers
Logarithm