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三角形
Author:
鄭雅輿
Topic:
Triangles
GeoGebra
New Resources
算柱 (兩位數)
球體建築師
兩位數加法
兩組對邊相等的四邊形
第八周作业
Discover Resources
弧度
切割線性質
CIRCLE
f(x)=sinx的圖形--伸縮與平移
尺规作图得到黄金三角形和黄金矩形
Discover Topics
Rotation
Orthocenter
Line Segment
Multiplication
Differential Calculus