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1,4,11,30,85,()A.248 B.250 C.256 D.260
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1,4,11,30,85,()A.248 B.250 C.256 D.260
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1,4,11,30,85,() A.248 B.250 C.256 D.260
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1,4,11,30,85,() A.248 B.250 C.256 D.260
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1,4,11,30,85,() A.248B.250C.256D.260
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1,4,11,30,85,()A.248B.250 C.256D.260
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方案1的期望收益值为()万元。 A.248 B.255 C.260 D.648