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waaachen
Author:
陳兪宏
艾董幾何題
GeoGebra
New Resources
錐體建築師
画直线等分三角形的面积
兩位數除以一位數(一)
畫出對稱圖形
【案例】2018年全国1卷理科12题
Discover Resources
色彩視覺藝術:三色彩帶
立方體截痕
分數乘法3
圆的面积展开的副本
公平的切蛋糕 Selfridge-Conway 免嫉妒分法(envy-free cake-cutting)
Discover Topics
Tree Diagrams
Sine
Optimization Problems
Logarithm
Power Functions