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导数定义的动态演示.许兴华数学
Author:
许兴华数学
Topic:
Derivative
,
Secant Line or Secant
GeoGebra
New Resources
四邉形 (四年級) 教師版
找出對稱軸
兩位數除以一位數（一）
兩組對邊相等的四邊形
画直线等分三角形的面积
Discover Resources
Statistics (M1)
ggb 優良作品_10
一元二次方程式-應用問題(兩圓相切-2)
Copy of 平行四邊形的面積
tan900
Discover Topics
Vectors
Line Segment
Parallelogram
Similar Triangles
Random Variables