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与椭圆焦点三角形外角平分线有关的轨迹.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
四邉形 (四年級) 教師版
畫出對稱圖形
兩位數除以一位數(一)
拼砌四邊形
找出對稱軸
Discover Resources
平移
包含除法(整數或分數 ÷ 分數)
剪刀石頭布
双曲线的定义
繪畫四邊形
Discover Topics
Triangles
Conditional Probability
Inequalities
Curve Sketching
Pyramid