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三角形三邊關係
Author:
曾己泉
使學生了解三角形邊長關係
GeoGebra
New Resources
三位數除以一位數（一）
判斷球體
【案例】2013年安徽高考15题
球体的体积推导
兩組對邊相等和有直角的四邊形
Discover Resources
Equal chords cut off equal arcs in a circle
Comparing fractions using number lines and rectangles
一點在圓上跑一點在三角形上跑兩點中點軌跡
Q3-12
area 面積4
Discover Topics
Interest Calculation
Piecewise Functions
Line Segment
Linear Regression
Random Experiments