问题
填空题
已知a、b互为相反数，c、d互为倒数，x的绝对值等于2，
则x2﹣（a+b+cd）x+（a+b）2010+（﹣cd）2009=﹙ ﹚．
答案
1或5
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已知a、b互为相反数，c、d互为倒数，x的绝对值等于2，
则x2﹣（a+b+cd）x+（a+b）2010+（﹣cd）2009=﹙ ﹚．
1或5
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