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問60
Author:
嶋津恒彦
GeoGebra
New Resources
円の伸開線
standingwave
正17角形 作図 regular 17-gon
接点の作る円は内接円
standingwave-reflection-free
Discover Resources
ゲーム game
【小3】三角定規を重ねて、角度の大小を比較
円に内接する四角形
平行移動2
折り紙テント2段階求積
Discover Topics
Centroid or Barycenter
Trapezoid
Exponential Functions
Parallelogram
Inequalities