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三角函數名稱的由來
Author:
Tang, Shu-jyh
,
陳柄何
GeoGebra
New Resources
找出對稱軸
兩位數加法
柱體建築師
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
圖形縮放展示
王濰平(8B) 作業
test02
相同圖形的拼砌（三角形）
三節棍
Discover Topics
Right Triangles
Means
Arithmetic Mean
Arithmetic
Histogram