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題 4
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
判斷球體
兩位數除以一位數（二）
Discover Resources
利用頂點描述二次函數
ppppp
Learn01
mooc第四讲椭圆反射
Copy of sin(x) 的函數圖形
Discover Topics
Boxplot
Conditional Probability
Ellipse
Function Graph
Mathematics