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求公切線段長
Author:
Gideon Huang
GeoGebra
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祖冲之的期望：内棋与外棋
圓的切線方程
折扣
正方形雪花图案
平行線的斜率
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方根化簡
Prism and Cylinder 3
Cactest
分年細目：7-a-12 能在直角坐標平面上描繪常數函數及一次函數的圖形。
線性迴歸_SSE
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Perimeter
Indefinite Integral
Interest Calculation
Symmetry
Planes