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根據百分率找數量（一）: 例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
找出對稱軸
球體建築師
Nested spiral octagon
Earth with coastline
判斷球體
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比例
proof*5 張華炘
prism
多邊形面積(新一代第三版 EX22#8)
圓的切線方程
Discover Topics
Reflection
Statistical Characteristics
Geometric Mean
Polynomial Functions
Arithmetic Mean