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第二檔
Author:
1041018
GeoGebra
New Resources
折扣
百分數及其應用
异形操场
龙形曲线-分形龙
斐波那契螺旋弧线(表格法)
Discover Resources
正方變十字
專題
gct-a01-jc091v1-27 三角形旋轉
explore
紙張的長與闊
Discover Topics
Trapezoid
Multiplication
Tangent Line or Tangent
Pyramid
Arithmetic Operations