标题: GWD22-35 [打印本页]
作者: huangluyao 时间: 2010-2-2 07:43 标题: GWD22-35
Q35:
What is the greatest common factor of the positive integers j and k?
(1) k = j + 1
(2) jk is divisible by 5.
Answer is C
How to analyze? Thank you.
作者: myice 时间: 2010-2-2 12:16
告诉你个小秘密,答案错了是选A
连续两个自然数必然互质
作者: mingzhu 时间: 2010-2-2 22:39
是的,答案错了,选A,连续两个自然数必然互质。
作者: huangluyao 时间: 2010-2-3 07:29
thanks
作者: fangzep 时间: 2010-2-6 06:51
选A
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