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彈幕
Author:
梅
GeoGebra
New Resources
兩組對邊相等的四邊形
第八周作业
算柱 (兩位數)
兩位數除以一位數(一)
兩位數加法
Discover Resources
四邊形的「等角分點」
Fractal Roulette
zuiduan
三棱柱
橢圓的副本
Discover Topics
Integers
Linear Equations
Standard Deviation
Optimization Problems
Probability