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螢橋國中 陳虹璇
Author:
螢橋國中
GeoGebra
New Resources
拼砌四邊形
柱體建築師
球體建築師
球体的体积推导（优化版）
兩組對邊相等和有直角的四邊形
Discover Resources
量度的誤差 Errors in Measurement
Measuring Volume 3
Multiplication of Polynomials(多項式的乘法)
四角錐體的截面
有趣的梯形面積問題
Discover Topics
Trapezoid
Functions
Real Numbers
Addition
Variance