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必要条件と十分条件２
Author:
Kazushi AHARA
図を見て，どの条件が必要条件でどの条件が十分条件かを調べましょう．
GeoGebra
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対数螺旋
standingwave-reflection-fixed
standingwave-plus
standingwave-reflection
直線の軌跡
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楕円の焦点
Complex series
城北高 29推薦入試6-2
y'=2x-yと部分積分
幾何１完成ノート91
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Cube
Polygons
Kite
Centroid or Barycenter
Multiplication