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test geogebra 5.0
Author:
Ho-Kai Chen
only testing...
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（二）
錐體建築師
Discover Resources
點光源圖
三角函數with sine, cosine圖形
祖暅之《綴術》：「緣冪勢既同，則積不容異。」
大園寶
龜甲
Discover Topics
Ratios
Confidence Interval
Linear Functions
Quadratic Functions
Upper and Lower Sum or Riemann Sum