问题
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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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1/2,3/2,5/6,11/30,()。A.29/64 B.40/57 C.41/330 D.108/119
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11/26/1117/2923/38() A.117/191B.122/199 C.28/45D.31/47
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5, 6, 11, 17, ()。 A.28 B.32 C.30 D.26<
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1,6,15,28,45,()A.70B.66C.60D.88
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柴油闪点在()A.10—15°CB.28—45°CC.60—110°C