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教学素材:椭圆离心率
Author:
清风拂琴,陌上花开
GeoGebra
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第八周作业
平行線的判定
第八周作业3
GeoGebra数学资源(4-8年级)
第八周作业2
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給柱體一個名字 1
正多角柱(簡易)
Rectangle
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Quiz on Signs of Coefficients of Quadratic Functions 二次函數係數的正負號:測驗
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Planes
Angles
Arithmetic Operations
Optimization Problems
Rhombus