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賺賠:例1的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
賺賠
GeoGebra
New Resources
判斷球體
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
四邊形的特性
第八周作业
Discover Resources
waaachen
方格紙上畫四邊形
parallelgram with height 20120319
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Probability
Square
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Cone