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題 1
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數加法
三位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
畫出對稱圖形
Discover Resources
三角形與邊上一點求正三角形
二次函数的条件最值
Vertex Form of Quadratic Functions(2) 二次函數的圖像：頂點式(2)
正立方體變菱形12面體
椭圆的离心率
Discover Topics
Straight Lines
Upper and Lower Sum or Riemann Sum
Confidence Interval
Variance
Differential Equation