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根據百分率找數量（一）: 例4 的複本
Author:
陳春月
,
GeoGebra Institute of Hong Kong
GeoGebra
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第八周作业1
活动三：应用性质
第八周作业3
第八周作业
科氏力 (Coriolis Force)
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圓周角的度數
行進波
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
Dynamic HSV Color Platte
小一
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Set Theory
Combinatorics
Indefinite Integral
Boxplot
Arithmetic Operations