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标题: 3道数学题，求解 [打印本页]

作者: qwrersaa 时间: 2005-1-28 13:08 标题: 3道数学题，求解

1、Last year the price per share of Stock X increased by k percent and the earnings per share of Stock X increased by m percent, where k is greater than m. By what percent did the ratio of price per share to earnings per share increase, in terms of k and m?

2、What is the median number of employees assigned per project for the projects at Company Z? (1) 25 percent of the projects at Company Z have 4 or more employees assigned to each project. (2) 35 percent of the projects at Company Z have 2 or fewer employees assigned to each project.

3、The sides of a square region, measured to the nearest centimeters, are 6 centimeters long. The least possible value of the actual area of the square region is

作者: sammen 时间: 2005-1-29 22:33

题目2,35%的任务是小于等于2人,25%的任务是大于等于4,剩下的40%的任务就是3个人的,median number就是3吧.

题目3,边长是6,面积的最小值用公式a+b>=2ab, 我算是2.25.不知道对不对啊,不对就当我瞎讲了.

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