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请教一道数学题~~~
If x and y are positive integers such that x = 8y + 12, what is the greatest common divisor of x and y ?
(1) x = 12u, where u is an integer.
11
(2) y = 12z, where z is an integer.
这个题选B的 但是个人觉得当两个条件同时满足,common divisor还是求不出
NN能帮助分析么 谢~~~ |
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