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內心
Author:
王廷祐
內心
GeoGebra
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圓的基本性質
圓周公式的應用
直線的斜率：水平變化 & 鉛垂變化
【案例】2018年全国1卷理科12题
祖冲之的期望：内棋与外棋
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曲線
费马点
conjugate
完全图
抛物线内接直角三角形斜边中点的轨迹
Discover Topics
Linear Programming or Linear Optimization
Integers
Arithmetic Operations
Ellipse
Square