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面積與周界活動
Author:
lkkbmaths teachers 檔案儲存用
GeoGebra
New Resources
國旗 (作圖步驟直接餵給 Claude)
四邊形的特性
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
Earth with coastline
Discover Resources
梯形中線
方格紙上畫長方形2
test1
ie 9
六角形(草稿)
Discover Topics
Arithmetic
Perimeter
Real Numbers
Percentages
Cylinder