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美麗的地球
Author:
盧秋燕
GeoGebra
New Resources
盈利與虧蝕
第八周作业1
活动三:应用性质
第八周作业3
双心四边形
Discover Resources
正n多邊形面積逼近圓面積
equation of circle
長方形
周界2
φ的影响
Discover Topics
Functions
Equations
Rotation
Secant Line or Secant
Sphere