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乘法心算測驗30*30
Author:
09 shuweihchang(張書瑋)
GeoGebra
New Resources
斜率的值
画直线等分三角形的面积
平行線的斜率
圓周公式的應用
祖冲之的期望:内棋与外棋
Discover Resources
大邊對大角
ggbbook1
dandan
放射狀旋轉圖形(3)
Protractor-usage
Discover Topics
Angles
Real Numbers
Integers
Probability
Parametric Curves