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周界-平移法(練習三)
Author:
Choy Wai Yan
求下圖周界
GeoGebra
New Resources
祖冲之的期望：内棋与外棋
多邊形的面積
兩位數除以一位數（一）
圓的切線方程
第八周作业
Discover Resources
Conic section-ellipse&hyperbola
In-centre
P53_3a
拋物面光學性質
「相似三角形」任务4的副本
Discover Topics
Prism
Means
Isosceles Triangles
Geometric Transformations
Arithmetic Operations