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平行四边形的性质探索
Author:
蔡永志
GeoGebra
New Resources
GeoGebra笔记功能体验课件
三位數除以一位數（二）
第八周作业
四邊形的特性
畫出對稱圖形
Discover Resources
對稱求最小
Locus指令的練習
lms2702b
Triangle
Solve ax + b = cx + d
Discover Topics
Rhombus
Symmetry
Square
Pie Chart or Circle Chart
Geometry