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螢橋國中 鄭毅華
Author:
螢橋國中
GeoGebra
New Resources
判斷球體
異分母分數減法
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
四邊形的特性
Discover Resources
K9@cn
小学数学
證平行四邊形 (對邊相等)
maze-temp
达芬奇椭圆仪
Discover Topics
Definite Integral
Symmetry
Interest Calculation
Natural Numbers
Parabola