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線性變換矩陣（二階）
Author:
arist
Topic:
Matrices
GeoGebra
New Resources
兩位數加法
異分母分數減法
畫出對稱圖形
四邊形的特性
算柱 (兩位數)
Discover Resources
以量角器量度角
奠基測試
单晨答上海鲍老师
面積
拋物線3--平行四邊形法
Discover Topics
Standard Deviation
Tangent Function
Logarithm
Cone
Statistical Characteristics