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應用圓周率: 題3
Author:
wong wai man
,
Keith Ko
移動右圖中的紅線到左方虛線，就知道它是相等於左圖的哪條線。
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New Resources
判斷球體
四邉形 (四年級) 教師版
兩位數除以一位數（二）
找出對稱軸
画直线等分三角形的面积
Discover Resources
Closure shape
Copy of Area of square
Hamid Naderi Yeganeh Ellipse1
正圆锥展开图
公切線的條數 的複本
Discover Topics
Quadratic Equations
Scatter Plot
Incircle or Inscribed Circle
Confidence Interval
Secant Line or Secant