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Author:
林順隆
GeoGebra
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球體建築師
柱體建築師
判斷球體
兩組對邊相等的四邊形
異分母分數減法
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YH的GGB_BOOK
優良作品1(孟倫)
[問題] x² + 2xy + y² + 5x + ay + b > 0
四次函數圖形&反曲點
河北省2016年25题
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Scatter Plot
Percentages
Subtraction
Parallelogram
Random Experiments