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面積：從梯形到三角形 02
Author:
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Topic:
Area
GeoGebra
New Resources
找出對稱軸
球體建築師
柱體建築師
判斷球體
異分母分數減法
Discover Resources
「相似三角形」任务4
http://www.qsir.org/?p=8853
平行四邊形
立體圖形的截面
v型咖啡濾網
Discover Topics
Frequency Distribution
Planes
Multiplication
Pie Chart or Circle Chart
Volume