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符成岗
Author:
符成岗
GeoGebra
New Resources
Fibonacci Clock
找出對稱軸
算柱 (兩位數)
Earth with coastline
四邊形的特性
Discover Resources
追击问题
圓周率在中國
三角柱算體積(可以切開)
圓形重疊問題
拼數咭
Discover Topics
Line Segment
Intersection
Limits
Perimeter
Median Value