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根據百分率找數量（一）: 例2
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
New Resources
兩位數加法
算柱 (兩位數)
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
拼砌四邊形
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Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角：証明
三角柱算體積(可以切開)
圓形墊圈 (Washer) 2
橢圓
GGB4
Discover Topics
Right Triangles
Rational Numbers
Statistical Characteristics
Probability
Division