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Author:
凉 清
GeoGebra
New Resources
畫出對稱圖形
錐體建築師
異分母分數減法
sanjiaohanshu
【案例】2018年全国1卷理科12题
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角度
拋物線
Ex5D#5
圆的有关概念
无理数指数幂
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Probability
Addition
Integral Calculus
Natural Numbers
Hypothesis Testing