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坡道V2
Author:
HF LEE
GeoGebra
New Resources
球體建築師
【案例】2018年全国1卷理科12题
柱體建築師
四邉形 (四年級) 教師版
【案例】2013年安徽高考15题
Discover Resources
方格紙
四角柱體（長方體）的截面
兩圓及交弦
Tangent of circle
椭圆内切圆链
Discover Topics
Upper and Lower Sum or Riemann Sum
Planes
Arithmetic Mean
Logarithmic Functions
Pie Chart or Circle Chart