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用極座標做時鐘的副本
Author:
YuanYee
,
唐宗浩
做一個摹擬時鐘如何?
GeoGebra
修改這個時鐘?
New Resources
異分母分數減法
【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
畫出對稱圖形
Discover Resources
判斷錐體 4
複合圖形(一)
gslsb 正方形數列
熊大
circle
Discover Topics
Rhombus
Congruence
Step Functions
Isosceles Triangles
Equilateral Triangles