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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
畫出對稱圖形
四邉形 (四年級) 教師版
第八周作业
美國國旗 (Codex 版)
Discover Resources
正三角形的旋轉
約分
GeoGebra繪本製作
正方體橫截面及平面展開圖
算盘
Discover Topics
Sequences and Series
Subtraction
Means
Logarithmic Functions
Conic Sections