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密鋪5
Author:
chen mingchuan
GeoGebra
New Resources
兩組對邊相等的四邊形
第八周作业
sanjiaohanshu
拼砌四邊形
四邊形的特性
Discover Resources
angle0428
圓內接正N邊形
验证2
工具：DimensionArrows
商高定理\水2的副本
Discover Topics
Trapezoid
Logic
Hypergeometric Distribution
Median Line
Volume