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9.二次函数，方程，不等式之间的关系
Author:
杜耀宗
9.二次函数，方程，不等式之间的关系
GeoGebra
New Resources
判斷球體
柱體建築師
画直线等分三角形的面积
兩位數加法
第八周作业
Discover Resources
Polygon Activity
彰師大巧思館0531
孟氏定理 (Menelaus' theorem)
線性規劃
测试
Discover Topics
Natural Numbers
Plane Figures or Shapes
Cube
Mathematics
Sequences and Series