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最小周長
Author:
張丰耘
GeoGebra
New Resources
三位數除以一位數（一）
異分母分數減法
【案例】2013年安徽高考15题
算柱 (兩位數)
GeoGebra笔记功能体验课件
Discover Resources
固定面積的圖形的周界變化
平行四邊形與三角形
數學作業
Triangle
example 3
Discover Topics
Multiplication
Linear Programming or Linear Optimization
Trigonometric Functions
Intersection
Hypothesis Testing