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製作梯形1 Making trapezium 1
Author:
周錦鋒
GeoGebra
New Resources
算柱 (兩位數)
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
找出對稱軸
兩組對邊相等和有直角的四邊形
Discover Resources
機率統計
圆的面积 - 排列组合法
Compare areas by cutting shapes Q2
Angle of elevation and Angle of depression(仰角和俯角)
地方第三方第三方第三方
Discover Topics
Square
Kite
Arithmetic Operations
Parallelogram
Coordinates