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選擇合適的「中間人」
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
GeoGebra
New Resources
兩位數除以一位數（二）
異分母分數減法
錐體建築師
直角坐標平面上的旋轉變換
找出對稱軸
Discover Resources
三角形面積公式 1/2 bc sinA
task 2
盾牌
龜甲
ggb创作
Discover Topics
Geometric Mean
Matrices
Centroid or Barycenter
Integers
Bar Chart or Bar Graph