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Author:
Lin Ching Chieh
GeoGebra
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球体的体积推导
兩位數除以一位數（二）
三位數除以一位數（一）
第八周作业
兩位數加法
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二次方程及其圖像
homework3
數學電腦繪圖與解題
六芒星
S3 Ex4.3 Q02(3D圖)
Discover Topics
Rational Numbers
Rectangle
Logarithm
Confidence Interval
Optimization Problems