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几何模版:线段关系练习
Author:
艳er
GeoGebra
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活动三:应用性质
常见四边形是否是双心四边形
第八周作业
第八周作业3
平行線的判定
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蝴蝶線 butterfly line
求 a + b 的最大值?
Copie de 分數與小數
乘法練習
圖四的副本
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Functions
Constructions
Similar Triangles
Arithmetic Operations
Sine