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F2_Ch11.1_三角學(對鄰斜)
Author:
timothyngyf
GeoGebra
New Resources
拼砌四邊形
四邉形 (四年級) 教師版
兩位數加法
畫出對稱圖形
球體建築師
Discover Resources
部分佔全部的百分率 :例2
直角三角形斜邊上的高小於斜邊的一半
包含除法(1 ÷分數)
布丰投针实验
ptccs2new
Discover Topics
Correlation
Arithmetic Mean
Frequency Distribution
Equilateral Triangles
Tangent Function