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ptccs2new3
Author:
Cheung Wing Chuen
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
柱體建築師
拼砌四邊形
三位數除以一位數（一）
Discover Resources
三角函數的性質
F.1 Ch10.5 Transformation of Points on the Coordinate Plane
Graph of Quadratic Function 二次方程圖像
三角測量01
F5__二元一次不等式
Discover Topics
Cosine
Rotation
Arithmetic
LCM and GCD
Optimization Problems