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第 57 屆國際數學奧林匹亞競賽試題
Author:
Yu-Tuan Lin
GeoGebra
New Resources
算柱 (兩位數)
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
找出對稱軸
球體建築師
Discover Resources
xsggh
選擇合適的「中間人」
Möbius strip
transformation_reflection
摺長方形2
Discover Topics
Multiplication
Algebra
Standard Deviation
Solids or 3D Shapes
Rhombus