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圖二 的複本
Author:
Michael Ma
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
【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）
画直线等分三角形的面积
判斷球體
算柱 (兩位數)
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圓內接四邊形 ABCD ...，求 sinθ=?
黃金螺線80137陳英瀚螢橋國中
pictures
Apollonius Problem gergonne
加减乘除运输出题器
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Quadratic Functions
Sequences and Series
Standard Deviation
Matrices
Parallelogram