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Author:
myao1999
GeoGebra
New Resources
拼砌四邊形
四邊形的特性
三位數除以一位數（一）
異分母分數減法
画直线等分三角形的面积
Discover Resources
分數除法4: 1 ÷ a/b (包含)
例題11
Easter egg
P54_3d
Tangent from an external point
Discover Topics
Indefinite Integral
Calculus
Congruence
Equations
Logarithm