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滾動圓周來發現圓周長
Author:
Lionheart William
圓周長活動一-發現圓周的長度 用具體操作,發現圓周長和直徑的關係
GeoGebra
New Resources
四邉形 (四年級) 教師版
三位數除以一位數(二)
sanjiaohanshu
畫出對稱圖形
拼砌四邊形
Discover Resources
Tusi Couple
加減併式與估算
堆垛系列
多邊形陣列
三視圖3d眼鏡
Discover Topics
Hypothesis Testing
Vectors 2D (Two-Dimensional)
Frequency Distribution
Exponent
Straight Lines