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1977年9月1日

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数学游戏，1977年7月

关于圆锥曲线、直纹曲面和其他双曲线的表现形式

作者：马丁·加德纳

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This article was originally published with the title “Mathematical Games” in 大众科学 Magazine Vol. 237 No. 3 (September 1977), p. 24
doi:10.1038/scientificamerican0977-24

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