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定周长的正多边形面积变化规律
Author:
张英华
Topic:
Area
GeoGebra
New Resources
三位數除以一位數（一）
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
柱體建築師
画直线等分三角形的面积
Discover Resources
Quiz on Trigonometric Ratios 辨認三角比：測驗
Chapter 11
面積3轉正三角形
劉虹圻 垂心
验证勾股定理
Discover Topics
Trapezoid
Ratios
Fractal Geometry
Means
Linear Programming or Linear Optimization