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quiz 9.1 2(d)
Author:
lamanleung
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
找出對稱軸
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Clock24hour
圓的內接四邊形
魔术师的地毯
Copy of 正方體的反射對稱3
定理介紹：切線與半徑 | Tangent and Radius
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Polynomial Functions
Arithmetic
Geometric Transformations
Piecewise Functions
Sequences and Series