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CircleIII
Author:
Yu-Tuan Lin
Topic:
Circle
GeoGebra
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四邊形的特性
兩位數加法
第八周作业
兩組對邊相等和有直角的四邊形
判斷球體
Discover Resources
COS 特別角
日本國旗
包含除法（整數÷整數）
Sonia and Julie
标题
Discover Topics
Poisson Distribution
Curve Sketching
Intersection
Reflection
Combinatorics