The side 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 D30.25 sq .cm E.25.00 sq cm
我看不懂题目,谁能帮帮我?作者: ljy1902 时间: 2010-4-21 02:17