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三角函數
Author:
Tina Lin
Topic:
Trigonometric Functions
GeoGebra
New Resources
兩位數加法
画直线等分三角形的面积
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
球体的体积推导（优化版）
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中線平方定理在圓上應用
How to reconstruct a quadrilateral farm to a triangular one with the same area?
glt-h01-03 圓柱展開圖(I)
周界4B (1)
除法Q2
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Surface
Cube
Poisson Distribution
Diagrams
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