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周界-平移法(練習三)
Author:
Choy Wai Yan
求下圖周界
GeoGebra
New Resources
四邊形的特性
找出對稱軸
兩位數加法
第八周作业
兩組對邊相等的四邊形
Discover Resources
waaachen
三角函數圖形（全）
教學－橫切面
圓的展開partI
凹透镜
Discover Topics
Line Segment
Means
Addition
Rhombus
Optimization Problems