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jaycheung2016plk
GeoGebra
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兩組對邊相等和有直角的四邊形
拼砌四邊形
四邊形的特性
判斷球體
錐體建築師
Discover Resources
二次方程及其圖像
Copy of 圓方程 (標準式與一般式)
幸運輪
三視圖
C60足球模型展开(单色版)
Discover Topics
Ratios
Hyperbola
Reflection
Indefinite Integral
Straight Lines