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探究長方形周界的長和闊
Author:
Tong Wing Hong
GeoGebra
New Resources
撒针估算面积实验
第八周作业1
双心四边形
第八周作业3
百分數及其應用
Discover Resources
Reflection 反射變換
畢氏定理的證明(三移動)
例子
四邊形特性
C60足球模型展开(双色版)
Discover Topics
Sine
Reflection
Numbers
Calculus
Constructions