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周界-平移法(練習三)
Author:
Choy Wai Yan
求下圖周界
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
錐體建築師
Discover Resources
螺旋線
翻轉方塊
立方体截面
example1 star
四塊面積
Discover Topics
Tree Diagrams
Rhombus
Confidence Interval
Logic
Volume