In the fraction x/y, where x and y are positive integers, what is the value of y?
(1) The least common denominator of x/y and 1/3 is 1/6
(2) x=1
答案是E
我就不明白了,分数之间也可以有common denominator么??这题到底怎么做啊,昏。。。。
可知第二个条件单独也推不出
两个结合,Y仍然可以为2或6,依旧推不出
选E
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