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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
畫出對稱圖形
兩組對邊相等的四邊形
兩位數除以一位數（一）
錐體建築師
Discover Resources
平行四邊形中點連線及分角線交點連線形狀
tube15240
國旗上傳測試
Copy of 正方体展开图
Regular Tetrahedron
Discover Topics
Mode
Rhombus
Standard Deviation
Orthocenter
Step Functions