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面積和周界
Author:
Maggie kan
GeoGebra
New Resources
百分數及其應用
平行線的判定
龙形曲线-分形龙2
双心四边形
第八周作业3
Discover Resources
分數乘法_李樂雯
三角函數
內擺線
Centroid
pyramid01 by Mr LO WY
Discover Topics
Probability
Diagrams
LCM and GCD
Sine
Geometric Distribution