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題 7
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
柱體建築師
球體建築師
異分母分數減法
Discover Resources
平移動畫（平移加滑桿）
斜率與y截距
放缩尺
Love
線性組合的副本
Discover Topics
Tangent Function
Set Theory
LCM and GCD
Variance
Similarity Transformation or Similarity