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聯立方程式
Author:
曾己泉
GeoGebra
New Resources
常见四边形是否是双心四边形
【案例】2018年全国1卷理科12题
球体的体积推导
垂直線的斜率
平行線的斜率
Discover Resources
圓與正三角形上動點連線上中點的軌跡
行星軌跡
test
三元數大作戰
求一數是另一數的幾分之幾?
Discover Topics
Matrices
Angles
Tangent Function
Diagrams
Reflection