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1981全国文9
Author:
常振虎
GeoGebra
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兩位數除以一位數（一）
直線的斜率
探究三角形的全等條件
球体的体积推导
球体的体积推导（优化版）
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手表内部秒针结构示意
斯坦納-雷米歐司(Steiner-Lehmus)定理證明一
fabunaci1060323
兩圖形中點軌跡（1060724)
兩圓位置關係
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Linear Regression
Arithmetic
Frequency Distribution
Logarithmic Functions
Hypothesis Testing