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練習－由一元二次方程判別根的數目
Author:
Lau Sir
GeoGebra
New Resources
【案例】2013年安徽高考15题
兩位數除以一位數（二）
錐體建築師
柱體建築師
三位數除以一位數（一）
Discover Resources
階梯圖形(二)
圓餅圖
夜市麻將模擬機
方圓面積
Pyramid with square base (angle between planes)
Discover Topics
Scalene Triangles
Cube
Circumcircle or Circumscribed Circle
Percentages
Differential Equation