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【简答题】
设a 2 +2a-1=0，五 4 -2五 2 -1=0，且1-a五 2 ≠0，求 ( a 五 2 + 五 2 -2a+1 a ) 200十 的值．
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Talking about the man's mother.
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the captain was chitchatting with the first officer
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the captain Marvin Renslows mistaken operation
【简答题】阅读理解: Health officials in the United States reported last week on what they believe could be a medical first. Officials said doctors performed what could be the first double lung transplant on a perso...
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