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椭圆的定义
Author:
梁航宇
GeoGebra
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兩位數除以一位數(二)
【案例】圆柱体内放置一个大球六个小球
圓周公式的應用
球体的体积推导(优化版)
【案例】2013年安徽高考15题
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moon1
Question 1
三視圖04
斜率乘积为定值(椭圆、双曲线)
西瓦定理
Discover Topics
Inequalities
Incircle or Inscribed Circle
Upper and Lower Sum or Riemann Sum
Pyramid
Matrices