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ptccs2new3
Author:
Cheung Wing Chuen
GeoGebra
New Resources
四邊形的特性
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
判斷球體
兩位數除以一位數（二）
Discover Resources
廣義角的代換(180,360)
九點圓
Area of triangle using 0.5bs sinA
Ex5D#8
Shoot Game
Discover Topics
Normal Distribution
Set Theory
Curve Sketching
Trapezium
Complex Numbers