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blue area or red area?
Author:
Bunryu Kamimura
青い面積と赤い面積のどちらが大きい？
GeoGebra
New Resources
対数螺旋
直線の軌跡
二次曲線と離心率
standingwave-reflection
sine-wave
Discover Resources
sin x /x
Jerabek hyperbola
楕円の極線
球面二次曲線もどき
三角形と比の逆の証明
Discover Topics
Arithmetic
Sine
Rational Numbers
Trapezoid
Polynomial Functions