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必要条件と十分条件１
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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円の伸開線
コイン投げと樹形図
６章⑥三角柱の展開図
standingwave
二次曲線と離心率
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figure_Q_17
sinの微分
H形の裏返し1
Combination of sine and cosine functions 三角関数の合成
放物線の通過領域
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Logic
Reflection
Cuboid
Congruence
Stochastic Process or Random Process