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七巧板.ggb
Author:
郭勇
GeoGebra
New Resources
近似值：有效數字
算柱 (兩位數)
異分母分數減法
判斷球體
四邊形的特性
Discover Resources
Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)
冪函數
曲面
七巧板（tangram）的副本
球体的体积推导
Discover Topics
Parallelogram
Perimeter
Sequences and Series
Isosceles Triangles
Histogram