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蝴蝶
Author:
张珍
GeoGebra
New Resources
球体的截面
第八周作业2
正方形雪花图案
第八周作业3
撒针估算面积实验
Discover Resources
Making Graph paper
類正五邊形摺法
P4菱形定義
梯形堆垛
二项式定理
Discover Topics
Definite Integral
Matrices
Isosceles Triangles
Rotation
Division