GWD31-9 一题数学求解~~~~

dolorez

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

番番

囧一个，我就是这么粗心才每次数学错 8道，sigh.....

flyzoe小猪

5.5×5.5=30.25

番番

答案是c不？边长是5.5嘛，四舍五入。