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第14題
Author:
林鴻鈞
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
判斷球體
異分母分數減法
算柱 (兩位數)
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滾出直線之2
補角關係
Circumcentre
放大／縮小 Resize
中華民國 ( 台灣 ) 國旗 National Flag of ROC ( Republic of China, Taiwan )
Discover Topics
Subtraction
Cone
Right Triangles
Variance
LCM and GCD