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quiz 9.1 2(a)
Author:
lamanleung
GeoGebra
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四邊形的特性
【案例】2018年全国1卷理科12题
畫出對稱圖形
第八周作业
兩組對邊相等的四邊形
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三角函數
國三2-2習作題
四角柱體（長方體）的截面
正方体展开图的副本
绕圆旋转004
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Indefinite Integral
Angles
Similar Triangles
Random Variables
Linear Functions