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正五角柱展開
Author:
mathleejay
測試
New Resources
畫出對稱圖形
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
錐體建築師
異分母分數減法
Discover Resources
waaachen
信心水準與信賴區間
纏繞SEQUENCE版
CIRCLE
Area of a cricle by n-polygon
Discover Topics
Translation
Definite Integral
Congruence
Pie Chart or Circle Chart
Similar Triangles