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賺賠：例1的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
賺賠
GeoGebra
New Resources
柱體建築師
錐體建築師
兩位數除以一位數（一）
找出對稱軸
拼砌四邊形
Discover Resources
內心
內外切圓
初三作业
平面幾何
sin(x) 的函數圖形 的複本
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Quadrilaterals
Logarithm
Rhombus
Variance
Symmetry