Sally likes 225 but not 224; she likes 900 but not 800; she likes 144 but not 145. Which does she like:
A) 1500
B) 1600
C) 1700
D) 1800
正确答案是选B。求高人破解。。。
sally likes 245 but not 244，可看出，sally喜欢的数可被5整除。she likes 900 but not 800，可看出，sally喜欢的数是一个完全平方数。she likes 144 but not 145，可看出，sally喜欢的数可被8整除。满足此三条件的只有B。这题真....
