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硬幣
Author:
Tse Sir
GeoGebra
New Resources
異分母分數減法
拼砌四邊形
三位數除以一位數(二)
兩組對邊相等的四邊形
錐體建築師
Discover Resources
雙曲線的題目
三角形內角和(SWC)
研習講義
平行線法
同心圓和線段-3(線段到最外圓有小圓)
Discover Topics
General Quadrilateral
Combinatorics
Parallelogram
Poisson Distribution
Optimization Problems