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Tangent to a curve at a point
Author:
Alex Leong
GeoGebra
New Resources
三位數除以一位數（二）
兩位數除以一位數（二）
兩組對邊相等的四邊形
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
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柯西不等式
複息的威力
切割任意四邊形再拼砌成矩形
p04 fixed distance from a line
垂線作圖
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Optimization Problems
Surface
Hyperbola
Functions
Sequences and Series