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标题: gwd 11 3题 [打印本页]

作者: aster1990 时间: 2006-2-12 14:15 标题: gwd 11 3题

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 ?

6cm难道不是就在说边长么？

作者: luoye1 时间: 2006-2-12 20:35

对，说的就是边长，但是measured to the nearest centimeters，所以这个边长范围在5.5－6.5之间。所以The least possible value of the actual area of the square region 应该是5.5^2

作者: aster1990 时间: 2006-2-14 07:07

thanks !!!!

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