选择题

2013 AMC 8 Problem 13: Reversed Digits Error

When Clara totaled her scores, she inadvertently reversed the units digit and the tens digit of one score. By which of the following might her incorrect sum have differed from the correct one?

2013 AMC 8 第13题 :反向数字错误

当克拉拉对她的分数进行总计时,她无意中颠倒了一个分数的单位数字和十位数字。以下哪项可能使她的错误金额与正确金额有所不同?

A.
45
B.
46
C.
47
D.
48
E.
49