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第一次保存GGB作品
Author:
赵伟
GeoGebra
New Resources
百分數及其應用
双心四边形
龙形曲线-分形龙2
第八周作业3
撒针估算面积实验
Discover Resources
分數減法
波的干涉 Wave Interference
硬币
分數比較
祖暅原理
Discover Topics
Cube
Right Triangles
Parallelogram
Calculus
Upper and Lower Sum or Riemann Sum