问题
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1944, 108, 18, 6, () A.5 B.4 C.3 D.1
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2 3 20 92 448 ()A 2160 B 2060 C 1960 D 1860
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:1/2,3/2,5/6,11/30,()。A.29/64 B.40/57 C.41/330 D.108/119
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1944, 108, 18, 6, () A.5 B.4 C.3 D.1
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1/2,3/2,5/6,11/30,()。A.29/64 B.40/57 C.41/330 D.108/119
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2,3,6,18,108,()。 A.216 B.1080 C.2160 D.1944