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Properties of a Parallelogram
Author:
Lttcmooc
GeoGebra
New Resources
第八周作业
拼砌四邊形
算柱 (兩位數)
兩位數除以一位數（一）
找出對稱軸
Discover Resources
area 面積
拋物線6--包絡線法
正方形旋转夹脚45_原题
极坐标系
点动成线
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Scatter Plot
Square
Mode
Isosceles Triangles
Surface