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周界平移
Author:
kwok ka yan
,
lkkbmaths teachers 檔案儲存用
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
兩組對邊相等的四邊形
三位數除以一位數（二）
Discover Resources
正方形和長方形有甚麼特性？
初心者的進化
圆的面积展开的副本
a sin(bx+c) + d 的圖形的副本
祖冲之的期望：内棋与外棋
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Surface
Statistics
Linear Equations
Line Segment
Random Experiments