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試證明：A=B+C
Author:
顏士勛
GeoGebra
New Resources
画直线等分三角形的面积
錐體建築師
兩位數加法
四邊形的特性
【案例】2018年全国1卷理科12题
Discover Resources
Floor plan area
平行與角度
平面
concyclic by Mr LO WY
平面向量基本定理
Discover Topics
Sphere
Tangent Function
Arithmetic Operations
Surface
Set Theory