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Author:
周錦鋒
GeoGebra
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拼砌四邊形
柱體建築師
【案例】2018年全国1卷理科12题
三位數除以一位數(二)
兩組對邊相等和有直角的四邊形
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交流电的模拟
反正切函數
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Lens2
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Logic
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Integral Calculus
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