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P53_3c
Author:
lkkbmaths teachers 檔案儲存用
觀察移動綠色的線段後,該圖形的改變。
GeoGebra
New Resources
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
四邊形的特性
算柱 (兩位數)
Nested spiral octagon
Discover Resources
動畫基本滑桿
Hamid Naderi Yeganeh segment5
Copy of 倒數計時
橢圓1--四圓心近似法
「相似三角形」任务5的副本
Discover Topics
Pythagoras or Pythagorean Theorem
Statistical Characteristics
Perimeter
Piecewise Functions
Sine