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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
standingwave-reflection
standingwave-reflection-fixed
平均変化率
standingwave-reflection-free
standingwave-plus
Discover Resources
w=z^2+1
両区間に文字を含む時の２次関数の最小値
単振動の変位と速度，加速度について
polygem
接弦定理
Discover Topics
Cosine
Area
Real Numbers
Bar Chart or Bar Graph
Trigonometric Functions