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正5角錐
Author:
張丰耘
GeoGebra
New Resources
四邉形 (四年級) 教師版
四邊形的特性
兩位數加法
畫出對稱圖形
異分母分數減法
Discover Resources
因式分解測驗
追击问题
sin函數相加
我的第一个绘本
새로운 양식
Discover Topics
Tree Diagrams
Solids or 3D Shapes
LCM and GCD
Curve Sketching
Bar Chart or Bar Graph