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以剪貼比較圖形大小 題1
Author:
phcheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
垂直線的斜率
三角函数 的副本
活动三：应用性质
第八周作业1
第八周作业3
Discover Resources
正n多邊形面積逼近圓面積
love
(3D) Tasks: Pyramid, Paper folding & Solid of revolution[20170615]
Copy of 齊來製作對稱圖
projection01 by Mr LO WY
Discover Topics
Planes
Cube
Trapezium
Rational Numbers
Sequences and Series