标题: GWD31-9 一题数学求解~~~~ [打印本页] 作者: dolorez 时间: 2009-11-24 23:18 标题: GWD31-9 一题数学求解~~~~ Q10 The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value of the actual area of the square region is A.36.00 sq cm B.35.00 sq cm C.33.75 sq cm D.30.25 sq cm E.25.00 sq cm作者: 番番 时间: 2009-11-24 23:20
答案是c不？边长是5.5嘛，四舍五入。作者: flyzoe小猪 时间: 2009-11-25 02:48
5.5×5.5=30.25作者: 番番 时间: 2009-11-25 20:31
囧一个，我就是这么粗心才每次数学错 8道，sigh.....