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西姆森线的性质定理——安宁定理
Author:
Sylvie
GeoGebra
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百分數及其應用
第八周作业
活动三：应用性质
折扣
比較五件物件的重量
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根據百分率找數量（一）:例1
大樂透開獎機
優良作品5(薇如)
S5 Linear Programming
希羅公式
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Line Segment
Sequences and Series
Sphere
Perimeter
Ellipse