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Outline
CollectionA
Area of Circles
Geometric workshop for primary school
CollectionA
Author:
Y.Gyotoku
Area of Circles
Geometric workshop for primary school
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Area of Circles
New Resources
円の伸開線
目で見る立方体の2等分
６章⑥三角柱の展開図
対数螺旋
小テスト
Discover Resources
直角三角形の作図
螺旋円錐5P
立方体の裏返し（上面エレベーター2）
等積変形
ベクトルの加法・減法の意味
栄光1(2)5
Discover Topics
Median Line
Geometric Transformations
Special Points
Parallelogram
Circle
