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優良作品2(怡雯)
Author:
Ching-Hui Chou
GeoGebra
New Resources
垂直線的斜率
圓周公式的應用
異分母分數減法
三位數除以一位數（二）
【案例】圆柱体内放置一个大球六个小球
Discover Resources
Positive angles & Negative angles
Sequence指令練習(圓面積的展開)
進出刀量測-圓形
S3 Trigonometry
活工(一)Q1
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Secant Line or Secant
Fractal Geometry
Complex Numbers
Congruence
Sphere