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GeoGebra
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Secant Line
Author:
少平 朱
GeoGebra
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圓的基本性質
平行線的判定
第八周作业3
百分數及其應用
双心四边形
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用極座標做時鐘
一次函數
DSE Circle-ACT01D Distance of Chords and Centre of a Circle
等距共軛點(isotomic conjugate point)
分數
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Straight Lines
Arithmetic
Exponential Functions
Histogram
Pythagoras or Pythagorean Theorem