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PTCCS2new2
Author:
Cheung Wing Chuen
GeoGebra
New Resources
兩位數除以一位數(一)
第八周作业
球体的体积推导(优化版)
畫出對稱圖形
【案例】2018年全国1卷理科12题
Discover Resources
畢氏定理動態證明(劉徽)
扇形柱
三比值和為一
二元线性规划的图解法(习题4)
拋物線3--平行四邊形法
Discover Topics
Equilateral Triangles
Random Variables
Perimeter
Matrices
Solids or 3D Shapes