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[中国科学技术大学] 中国科学技术大学2010年802线性代数与解析几何专业课考研真题试卷(回忆版)
1.二次曲线x^2-4xy+y^2+10x-10y+21=0的类型是______,通过转轴去掉交叉项的转角角度_______。2014-08-03 编辑:sophie
Severity: Notice
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Filename: libraries/Cache_file.php
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Severity: Warning
Message: Memcache::connect(): Can't connect to 127.0.0.1:11211, Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
2014-08-03 编辑:sophie