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If integers M and N are positive and have the same digits, but in reverse order,
If integers M and N are positive and have the same digits, but in reverse order,
游客
2024-01-13
55
管理
问题
If integers M and N are positive and have the same digits, but in reverse order, which of the following CANNOT be the difference of M and TV?
选项
A、19,197
B、-99
C、43,218
D、54
E、2,816
答案
E
解析
由于M和N是reverse,那么M-N应该是9的倍数,E中的2816连3都不能够整除,当然不能够被9整除,所以选择E。
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