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双中点模型(变式二)
Author:
谭伟
GeoGebra
New Resources
拼砌四邊形
画直线等分三角形的面积
【案例】圆柱体内放置一个大球六个小球
球體建築師
異分母分數減法
Discover Resources
畫三角形 題1b
立體圖形 KH
Opening Box
三角形中線定理求最小值
比較角的大小2
Discover Topics
Exponent
Kite
Cuboid
Combinatorics
Arithmetic