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圖二 的複本
Author:
Michael Ma
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩位數除以一位數（二）
柱體建築師
画直线等分三角形的面积
第八周作业
兩組對邊相等和有直角的四邊形
Discover Resources
Apollonius Problem 10 CCC wiki step 5
很厲害喔
圓外切及內切
夜市麻將2
n星角
Discover Topics
Equilateral Triangles
Isosceles Triangles
Quadratic Functions
Set Theory
Special Points