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根據百分率找數量（二）: 例2
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
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四邉形 (四年級) 教師版
算柱 (兩位數)
柱體建築師
拼砌四邊形
異分母分數減法
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已知A(1,2)與B(3,4)為兩定點,P(x,y)為直線x+2y=3上一點,求當直線PA=直線PB時 , P的坐標?
四角錐的坡度
王宏銘Proof93
翻轉方塊
以 Unit Circle 了解 Sine 的正/負的副本
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Fractions
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