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急求TT-GWD-25-10

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发表于 2006-8-18 14:41:00 | 显示全部楼层

急求TT-GWD-25-10

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

这题我觉得最大的误差应该是5.5,这样算出来的面积是 D.30.25 sq cm

而答案给出的是C,是怎么算出来的?

发表于 2006-8-19 00:02:00 | 显示全部楼层
You are right again. Next time when you encounter this kind of mistakes in answer sheet,forget about it.
 楼主| 发表于 2006-8-19 00:46:00 | 显示全部楼层
thanks. self-confidence may be more inportant at this moment
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