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20190530 與平行線有關的角
Author:
Hui Sir
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
Discover Resources
Apollonius Problem gergonne
F5_聯立二元一次不等式
duality of regular polyhedron
範例一
弦的垂直線何時平分弦活動?
Discover Topics
Integral Calculus
Vectors 3D (Three-Dimensional)
Definite Integral
Expected Value
Scatter Plot