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ETV 對稱
Author:
lkkbmaths teachers
Topic:
Symmetry
ETV 對稱
New Resources
画直线等分三角形的面积
兩位數加法
錐體建築師
算柱 (兩位數)
兩位數除以一位數（一）
Discover Resources
sum of interior angle
My second work
旋轉方塊
十分逼近法及根號概念
尝试绘本
Discover Topics
Exponent
Geometric Transformations
Isosceles Triangles
Poisson Distribution
Conditional Probability