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２つの正三角形の問題
Author:
Tsuyoshi Yamamoto
GeoGebra
New Resources
standingwave-reflection-free
直線の軌跡
standingwave-reflection-fixed
目で見る立方体の2等分
円の伸開線
Discover Resources
三角形の傍心と傍接円
I am alive
４次方程式の根の図
Let's find the minimum and maximum values of AF and EF
正２０面体
Discover Topics
Special Points
Poisson Distribution
Dilation
Kite
Right Triangles