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弦图面积平移法
Author:
杨华
GeoGebra
New Resources
判斷球體
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（一）
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
T2 Geobra
pictures
zuiduan
同分母分數除法
some circles
Discover Topics
LCM and GCD
Secant Line or Secant
Geometric Distribution
Special Points
Conic Sections