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分数加发
Author:
杨欣霞
GeoGebra
New Resources
兩位數除以一位數（一）
球体的体积推导
判斷球體
画直线等分三角形的面积
第八周作业
Discover Resources
函數的切線
Triangle
Question 4
畢氏定理
拋物線5--包絡線法
Discover Topics
Trapezoid
Perimeter
Subtraction
Pythagoras or Pythagorean Theorem
Quadratic Equations