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ie 8
Author:
LAM YU SANG
GeoGebra
New Resources
祖冲之的期望：内棋与外棋
【案例】2013年安徽高考15题
画直线等分三角形的面积
空间中两直线的位置关系
双心四边形
Discover Resources
光源距離 Light Source Distance
test02
西瓦定理 (Ceva's Theorem)
Multiplication of Polynomials(多項式的乘法)
congruent (ASA)
Discover Topics
Cosine
Right Triangles
Normal Distribution
Perimeter
Indefinite Integral