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半圓內切球內切圓
Author:
YS Chen
GeoGebra
New Resources
折扣
正方形雪花图案
比較五件物件的重量
第八周作业2
百分數及其應用
Discover Resources
sum of interior angle
rectangle construction
VV圓
圓周率的應用 題C
橢圓3--平行四邊形法
Discover Topics
Cone
Similar Triangles
Ratios
Square
Optimization Problems