标题:
急,7月11日考,请教一道8日考题
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作者:
little_fox
时间:
2002-7-9 21:33
标题:
急,7月11日考,请教一道8日考题
2.there are two sets, x and y. x is composed of multiples of 2, and y is composed of multiples of 4, is it possible for interger m be of x while not of y ? (1) m is even. (2)m/2 is odd
B
问是否可能,(1)也可能阿,
作者:
zhouxh
时间:
2002-7-9 21:53
(1)并没有给一个肯定的答案,这是ETS所不想要的,所以(1)不考虑。
作者:
juleyi
时间:
2002-7-10 11:46
请教
But the question is the possibility but necessary.
To (1), it is possible to m be of x while not of y.
Please check. Thax!
作者:
zhouxh
时间:
2002-7-10 22:00
那么我说m是一个integer,也可能了。这不是充分条件,这道题本身问的有些问题,所以考虑ETS的思路,最好还是选B
作者:
juleyi
时间:
2002-7-13 06:02
Make sense.
Thank you!
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