问题
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1,7/8,5/8,13/32,(),19/128 A.17/64;B.15/128;C.15
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35 . 1 3 5 9 17 31 57 ()A . 105 B . 89 C . 95 D . 135
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3 8 17 32 57 () A.96 B. 100 C. 108 D. 115
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1/4,2/7,2/5,8/13,1() A.9/16 B.3 C.32/19 D.28/17
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1 3 5 9 17 31 57 () A . 105 B . 89 C . 95 D . 135
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3 8 17 32 57() A.96B.100C.108D.115