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abcd
Author:
vincentyhm
GeoGebra
New Resources
椭圆内切圆链
第八周作业
盈利與虧蝕
第八周作业2
平行線的判定
Discover Resources
Dividing a Trapezium
基本三角函數
哈里斯螺旋 - 框線版 (Harriss Spiral)
Effects on Dispersion
二次函數01
Discover Topics
LCM and GCD
Polynomial Functions
Fractal Geometry
Square
Definite Integral