Which of the following is the closest approximation of ?

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问题 Which of the following is the closest approximation of ?

选项 A、 
B、 
C、 
D、 
E、 

答案C

解析 Approximating the equation gives us , which simplifies to 1/2.
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本试题收录于: GMAT QUANTITATIVE题库GMAT分类
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