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Author:
洪馷孺
GeoGebra
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【案例】2018年全国1卷理科12题
異分母分數減法
兩位數加法
兩位數除以一位數（一）
拼砌四邊形
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惡靈古堡保護傘
Measurement & Classification of Angles 角的量度和分類
Equal chords cut off equal arcs in a circle
分1
弦中點的軌跡的副本
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Combinatorics
Stochastic Process or Random Process
Solids or 3D Shapes
Prism
Conic Sections