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空氣柱共鳴
Author:
陳澤瑩
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩位數加法
四邉形 (四年級) 教師版
畫出對稱圖形
兩組對邊相等和有直角的四邊形
Discover Resources
test
正弦與餘弦值的大小關係
正三角形
Inclination and Gradient(傾角和斜率)
S7G1 模拟光的折射
Discover Topics
Sphere
Geometric Distribution
Combinatorics
Coordinates
Arithmetic Operations