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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
兩組對邊相等的四邊形
找出對稱軸
判斷球體
【案例】2018年全国1卷理科12题
四邊形的特性
Discover Resources
test01
平面向量
尺規作圖平分一個角
folding paper by Mr LO WY
集合的运算
Discover Topics
Integers
Triangles
Fractal Geometry
Orthocenter
Circle