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算幾不等式-三圃輪耕法
Author:
黃信淳
GeoGebra
New Resources
撒针估算面积实验
龙形曲线-分形龙
异形操场
科赫雪花
活动三：应用性质
Discover Resources
平行四邊形
dandan
柱體＿
乘加挑戰題
賺賠：例1的副本
Discover Topics
Multiplication
Volume
Solids or 3D Shapes
Cosine
Arithmetic Operations