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解題二
Author:
王正豪
GeoGebra
New Resources
龙形曲线-分形龙
平行線的斜率
第八周作业1
祖冲之的期望：内棋与外棋
圓周公式的應用
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Quiz on Polar Coordinates (2) 極坐標測驗2
圓與切線
切線性質
圓錐曲線的光學性質
x²+y²+z²的取值范围
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Rational Numbers
Conditional Probability
Cone
Sine
Plane Figures or Shapes