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Introduction to Trigonometry from a Unit Circle
Author:
Lam Yat Chun
GeoGebra
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【案例】2018年全国1卷理科12题
第八周作业
球体的体积推导
三位數除以一位數（二）
兩位數加法
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根據百分率找數量（二）: 例1
triangle
因式分解二次方程
cycloid
二项分布
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Circle
Secant Line or Secant
Rotation
Histogram
Linear Programming or Linear Optimization