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ie 4
Author:
LAM YU SANG
GeoGebra
New Resources
拼砌四邊形
第八周作业
四邉形 (四年級) 教師版
柱體建築師
【案例】2018年全国1卷理科12题
Discover Resources
判斷柱體 7
三角形不等式
Sorting Geometric Figures
Golden Ratio (phi) Collection
文繞圖1
Discover Topics
Congruence
Geometric Distribution
Straight Lines
Root
Quadrilaterals