求分析一道数学题！来自prep

ccp92

sbyanshuai 发表于 2016-3-29 10:35
If x and y are positive integers such that x=8y+12,what is the greatest common divisor of x and y
1) ...

https://www.manhattanprep.com/gmat/forums/in-x-and-y-are-positive-integers-such-that-x-8y-12-t902.html