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菱形有甚麼特性？
Author:
Anthony OR 柯志明
Topic:
Rhombus
GeoGebra
New Resources
三位數除以一位數（一）
拼砌四邊形
第八周作业
找出對稱軸
柱體建築師
Discover Resources
餘弦定理的圖形證明
Tangent to circle
串珠
cos, sin 與單位圓
加法与乘法
Discover Topics
Set Theory
Exponential Functions
Symmetry
Kite
Statistics