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柏拉圖立體的"循環節"草2
Author:
pingfeng.wu
New Resources
日照与影长
劉徽的「割圓術」的副本
lemma-1 for Rotation Search
迭代2
三角函數出題器2.0
Discover Resources
telling the time
邊長與三角形 數學教室(1/4)
兩針夾角
PMC 2016-17
正割函數與餘割函數
Discover Topics
Surface
Confidence Interval
Combinatorics
Square
Sphere
