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梅花
Author:
呂麗珠
GeoGebra
New Resources
球体的体积推导
四邊形的特性
兩位數加法
兩位數除以一位數（一）
拼砌四邊形
Discover Resources
數學作業
學測105-2
弓形塗顏色
straight line
扇形滚动(圆心角半径可变)
Discover Topics
Rhombus
Scatter Plot
Quadratic Equations
Intersection
Angles