行测 数量关系题7/6,5/3,2,11/5,82/35()a.89/42 b.17/7 c.937/385 d.821/315

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行测 数量关系题7/6,5/3,2,11/5,82/35()a.89/42 b.17/7 c.937/385 d.821/315
行测 数量关系题
7/6,5/3,2,11/5,82/35()a.89/42 b.17/7 c.937/385 d.821/315

行测 数量关系题7/6,5/3,2,11/5,82/35()a.89/42 b.17/7 c.937/385 d.821/315
答:
5/3-7/6=1/2
2-5/3=1/3
11/5-2=1/5
82/35-11/5=1/7
可见差的分母为2,3,5,7是一个质数数列,下一项应该是11
设所求项为x
x-82/35=1/11
解得x=937/385
选c