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認識假分數
Author:
lkkbmaths teachers 檔案儲存用
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
兩位數加法
四邉形 (四年級) 教師版
三位數除以一位數（一）
Discover Resources
fold and unflod the cone with geogebra5.0
Taiwan go
費氏螺旋 (試算表)
同心圓和線段
第一次尝试
Discover Topics
Prism
Symmetry
Means
Rectangle
Mode