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凹透镜
Author:
myao1999
GeoGebra
New Resources
拼砌四邊形
四邊形的特性
畫出對稱圖形
兩位數加法
算柱 (兩位數)
Discover Resources
第一本
三角形
第 57 屆國際數學奧林匹亞競賽試題
櫻花鉤吻鮭
正弦函數的伸縮及平移
Discover Topics
Linear Regression
Translation
Confidence Interval
Rhombus
Optimization Problems