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四則
Author:
周錦鋒
GeoGebra
New Resources
撒针估算面积实验
GeoGebra数学资源(4-8年级)
折扣
龙形曲线-分形龙
正方形雪花图案
Discover Resources
神之作
glt-h02-03-角錐角柱動態展開
三角形外心
正立方體切三刀
面積趣味題
Discover Topics
Parabola
Multiplication
Cube
Isosceles Triangles
Differential Calculus