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圓錐曲線的光學性質
Author:
陳隆期
GeoGebra
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兩組對邊相等和有直角的四邊形
球體建築師
兩位數加法
三位數除以一位數（一）
兩組對邊相等的四邊形
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了解圓方程(2)
找中點的坐標
vbcvbcvbcvbcvbcvcv
基礎作圖2
以 Unit Circle 了解 Sine 的正/負的副本
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Subtraction
Limits
Complex Numbers
Quadratic Functions
Hypothesis Testing