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ext angle car
Author:
pycchansir
GeoGebra
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斐波那契螺旋弧线（表格法-可动态调节）
撒针估算面积实验
第八周作业2
活动三：应用性质
平行線的判定
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三角形外心的角度關係
Ex10.1 q13
ㄩㄢ
六下_圓周(學生版) v2.1
賺賠：例3的副本
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Isosceles Triangles
Quadratic Functions
Complex Numbers
Sequences and Series
Geometric Distribution