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HKCEE 2009 Q17
Author:
tkyggb
GeoGebra
New Resources
兩位數加法
三位數除以一位數（二）
找出對稱軸
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
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六年級
特殊角三角函数值
賺賠：例1的副本
巧克力包裝盒的夾角(三角形柱)
任意三棱锥的外接球
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Congruence
Right Triangles
Limits
Boxplot
Prism