滑铁卢华人, 水城百事论坛 http://www.kwcg.ca/forum/ 水城社区-Kitchener, Waterloo, Cambridge & Guelph华人的网上家园 en 这是正解。 Reply by 2012, Tuesday, March 30, 2010, 12:02:

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]]> http://www.kwcg.ca/forum/index.php?id=17303 http://www.kwcg.ca/forum/index.php?id=17303 Tue, 30 Mar 2010 12:02:56 GMT 2012 这是初中题阿，显然x=7或者-2，带进去就行了 Reply by yellowsea, Tuesday, March 30, 2010, 12:00:

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]]> http://www.kwcg.ca/forum/index.php?id=17301 http://www.kwcg.ca/forum/index.php?id=17301 Tue, 30 Mar 2010 12:00:49 GMT yellowsea 早忘光了，考试 Reply by ？, Tuesday, March 30, 2010, 10:47:

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]]> http://www.kwcg.ca/forum/index.php?id=17279 http://www.kwcg.ca/forum/index.php?id=17279 Tue, 30 Mar 2010 10:47:00 GMT ？ 已知X的平方-5X=14，求（X-1)(2X-1)(X+1）的平方+1 Posting by aaa, Tuesday, March 30, 2010, 10:31:

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]]> http://www.kwcg.ca/forum/index.php?id=17275 http://www.kwcg.ca/forum/index.php?id=17275 Tue, 30 Mar 2010 10:31:07 GMT aaa