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Ex_2_80_1
Author:
早苗雅史
GeoGebra
New Resources
sine-wave
standingwave-reflection-fixed
直線の軌跡
円の伸開線
正１７角形 作図 regular 17-gon
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石とりゲーム（理論版）a Japanese children's game
９点円の拡張(垂足円）
（sinθ）’＝cosθ
２つの円の根軸と３つの円の根心
針金面積修正グラフ
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Median Value
Intersection
Percentages
Rectangle
Equations