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蝴蝶定理證明1:Steven構造恒等式
Author:
連琨銘
GeoGebra
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算柱 (兩位數)
【案例】圆柱体内放置一个大球六个小球
兩位數加法
【案例】2018年全国1卷理科12题
異分母分數減法
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用兩圓編織美麗的曲面
記錄最大值
強森定理強森定理
All in one (centres of triangle)
方程001
Discover Topics
Cuboid
Linear Regression
Constructions
Trigonometry
Statistical Characteristics