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近似数3
Author:
尹枝红
GeoGebra
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【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
第八周作业
兩位數加法
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最小值
Difference of Two Cubes
How to draw a triangle with ruler and compasses?
圆锥曲线的第二定义
勾股定理介绍及证明
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Root
Incircle or Inscribed Circle
Logarithmic Functions
Cube
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