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S2 Chapter11.1 三角形的對鄰斜
Author:
Li Woon Chung
Topic:
Trigonometry
GeoGebra
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三位數除以一位數（一）
拼砌四邊形
画直线等分三角形的面积
找出對稱軸
四邊形的特性
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遊戲
Question 1
各種五邊形
動畫初階練習1(平移)
堆疊正立方體的副本
Discover Topics
Logic
Geometric Mean
Conic Sections
Combinatorics
Complex Numbers