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三角形と比の定理
Author:
Geo_Math_Room
Topic:
Plane Figures or Shapes
,
Similar Triangles
,
Triangles
GeoGebra
New Resources
等積変形2
sine-wave
standingwave-reflection
平均変化率
正１７角形 作図 regular 17-gon 2
Discover Resources
対数関数とそのグラフ（a logarithm）
同位角，錯角
ベン図
中2 辺の長さと三角形の形状
四角錐
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Scatter Plot
Straight Lines
Special Points
Pie Chart or Circle Chart
Geometry