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GeoGebra
GeoGebra Classroom
GeoGebra
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fchengang动画
Author:
符成岗
GeoGebra
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撒针估算面积实验
折扣
斐波那契螺旋弧线(表格法-可动态调节)
平行線的判定
盈利與虧蝕
Discover Resources
滾動
判斷球體 7
test
用和或差的平方做因式分解
单位圆画三角函数图像的副本
Discover Topics
Inequalities
Cuboid
Surface
Histogram
Prism