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Author:
TANG TSZ YUEN
Topic:
Geometric Transformations
GeoGebra
New Resources
四邉形 (四年級) 教師版
異分母分數減法
拼砌四邊形
四邊形的特性
兩位數除以一位數（二）
Discover Resources
y=a(x-h)²+k
vertex of quadratic function
用極座標做時鐘的副本
直角座標轉為極座標
拋物線3--平行四邊形法
Discover Topics
Straight Lines
Bar Chart or Bar Graph
Centroid or Barycenter
Area
Linear Equations