1/3,1/7,7/9,1/31,19/45 ( )数字推理同上,1/3,1/7,7/9,1/31,19/45 (  )  谁能做出来,

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1/3,1/7,7/9,1/31,19/45 ( )数字推理同上,1/3,1/7,7/9,1/31,19/45 (  )  谁能做出来,

1/3,1/7,7/9,1/31,19/45 ( )数字推理同上,1/3,1/7,7/9,1/31,19/45 (  )  谁能做出来,
1/3,1/7,7/9,1/31,19/45 ( )数字推理
同上,1/3,1/7,7/9,1/31,19/45 (  )  谁能做出来,

1/3,1/7,7/9,1/31,19/45 ( )数字推理同上,1/3,1/7,7/9,1/31,19/45 (  )  谁能做出来,
将每个数的分子与分母相加为4,8,16,32,64的等比数列 答案是63/65