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優良作品2(薇如)
Author:
Ching-Hui Chou
GeoGebra
New Resources
正方形雪花图案
百分數及其應用
折扣
科氏力 (Coriolis Force)
祖冲之的期望：内棋与外棋
Discover Resources
初中八年级奥数：面积与面积法
勝者即正義
tytyty
十六菊
Protractor-usage
Discover Topics
Cosine
Multiplication
Hyperbola
Equilateral Triangles
Piecewise Functions