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方格紙上畫長方形3
Author:
Anthony OR 柯志明
Topic:
Rectangle
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩位數加法
拼砌四邊形
找出對稱軸
兩位數除以一位數（一）
Discover Resources
分數除法3: a ÷ b （包含）
多項式
No. 7 of Exercise 12C
相似形
用星星來比較圖形的大小
時針與分針的夾角
Discover Topics
Secant Line or Secant
Plane Figures or Shapes
Right Triangles
Centroid or Barycenter
Pie Chart or Circle Chart