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兩端固定駐波
Author:
ken@ylshsap
GeoGebra
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第八周作业
撒针估算面积实验
常见四边形是否是双心四边形
直線的斜率：水平變化 & 鉛垂變化
盈利與虧蝕
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判斷錐體 2
優良作品1(孟倫)
奈格爾點
Template: 對稱03
數學素養試題
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Cuboid
Dilation
Percentages
Angles
Trigonometry