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Angle in Alternate Segment 3
Author:
H.K.Leung
GeoGebra
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第八周作业
兩位數除以一位數（二）
兩位數除以一位數（一）
異分母分數減法
四邊形的特性
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樞紐內容
parallelogram
圓內接正N邊形
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[洋葱] 相似与全等
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Polynomial Functions
Trigonometry
Symmetry
Standard Deviation
Fractal Geometry