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Centres in a Triangle(三角形的中心)
Author:
chisunch1
GeoGebra
New Resources
折扣
第三周作业效果演示
常见四边形是否是双心四边形
撒针估算面积实验
第八周作业1
Discover Resources
四角錐體的截面
BEES定理2
包含除法(整數÷整數)
求二次函数f(x)=-x^2+ax+3区间[-2,3]上的最大值
角谷猜想
Discover Topics
Pythagoras or Pythagorean Theorem
Binomial Distribution
Polygons
Inequalities
Centroid or Barycenter