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zuiduan
Author:
luodeqin@keleshuxue.com
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【案例】圆柱体内放置一个大球六个小球
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
球体的体积推导(优化版)
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腳踏車痕模擬
量筒
倫敦滾石橋2
镂空菱形六十面体
球體建築師
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Ratios
Interest Calculation
Optimization Problems
Addition
Polygons