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密鋪4
Author:
chen mingchuan
GeoGebra
New Resources
拼砌四邊形
找出對稱軸
兩組對邊相等的四邊形
錐體建築師
第八周作业
Discover Resources
Mean of a Large Set of Data 大量數據的平均數
How to reconstruct a quadrilateral farm to a triangular one with the same area?
颱風暴風圈
单晨答重庆李琳
尺规作图_课本内容