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pic6-xt3-sxlj03平行四边形
Author:
刘芳
GeoGebra
New Resources
斐波那契螺旋弧线(表格法)
盈利與虧蝕
第三周作业效果演示
第八周作业1
球体的截面
Discover Resources
圓餅圖
平面幾何
探究判定全等三角形的条件( SSA? & HL!)
時鐘
cos, sin 與單位圓的副本
Discover Topics
Variance
Translation
Cosine
Numbers
Cylinder