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折纸角度探究1
Author:
陈力
Topic:
Constructions
,
Geometry
,
Symmetry
GeoGebra
New Resources
兩位數除以一位數（二）
柱體建築師
算柱 (兩位數)
四邉形 (四年級) 教師版
判斷球體
Discover Resources
扇形面積公式
對鄰邊之對
P.4對稱
九九乘法表的認識
根據百分率找數量（二）: 例3的副本
Discover Topics
Natural Numbers
Rectangle
Correlation
Functions
Right Triangles