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拋物線生活應用
Author:
陳家豪
GeoGebra
New Resources
Nested spiral octagon
近似值：有效數字
畫出對稱圖形
兩組對邊相等和有直角的四邊形
第八周作业
Discover Resources
folding aeroplane
B4 4-1 平行線性質延伸 等積變換
周界-平移法(教學練習一)
乘加挑戰題
橢圓2-四圓心近似法
Discover Topics
Matrices
Circumcircle or Circumscribed Circle
Tangent Line or Tangent
Natural Numbers
Random Variables