题目描述：
数学题 a=1/[1/1000+1/1001+1/1002+1/1003+...1/1999], 求a的整数部分是多少____?答案解析
【答案】a>1/(1/1000+1/1000+...+1/1000)(1000个)=1;a 【其他答案】 a=1
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