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固定面積的圖形周界變化
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Perimeter
,
Square
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
兩位數除以一位數（一）
球體建築師
Discover Resources
正方形與菱形
研習講義
Apollonius Problem 10 CCC wiki step 2
Copy of Mjerenje obujma 3
小船平移2
Discover Topics
Subtraction
Straight Lines
Triangles
Matrices
Limits