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平行四邊形與長方形的關係
Author:
fantast411
GeoGebra
New Resources
撒针估算面积实验
异形操场
双心四边形
第八周作业
正方形雪花图案
Discover Resources
方格紙上畫梯形2
判斷線型函數y=f(x)=ax+b的b值
翰林B4講p192_類1
拋物線2--焦點法
可拖动A、B 改变形状
Discover Topics
Symmetry
Tangent Function
Numbers
Cube
Sequences and Series