已知X的平方-5X=14，求（X-1)(2X-1)(X+1）的平方+1 (水城百事)

by aaa, Tuesday, March 30, 2010, 10:31

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1259 views

早忘光了，考试

by ？, Tuesday, March 30, 2010, 10:47 @ aaa

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1086 views

by yellowsea, Tuesday, March 30, 2010, 12:00 @ aaa

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1321 views

by 2012, Tuesday, March 30, 2010, 12:02 @ yellowsea

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1081 views

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