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数学之美-多边形对角线
Author:
张景睿
GeoGebra
New Resources
兩位數除以一位數（一）
兩組對邊相等的四邊形
找出對稱軸
四邊形的特性
画直线等分三角形的面积
Discover Resources
長方形與正方形的面積
Ex5D#2
S4 Quadratic Function
第14題
变化的幂函数.许兴华数学
Discover Topics
Vectors 2D (Two-Dimensional)
Differential Equation
Terms
Curve Sketching
Incircle or Inscribed Circle