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內擺線
Author:
chiway
Topic:
Circle
內擺線
GeoGebra
New Resources
拼砌四邊形
異分母分數減法
柱體建築師
畫出對稱圖形
四邉形 (四年級) 教師版
Discover Resources
弦的定理
工具：PlaneText, PlaneArrow
tan90
「相似三角形」任务2的副本
圆的有关概念
Discover Topics
Stochastic Process or Random Process
Curve Sketching
Histogram
Distributions
Surface