问题
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0,3,9,21,(),93A.40 B.45 C.36 D.38
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0,1/2,8/11,5/6,8/9,() A.31/34 B.33/36 C.35/38 D.37/40
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0,1/2,8/11,5/6,8/9,()A.31/34 B.33/36 C.35/38 D.37/40
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3,3,5,10,7,21,9,36() A.10,50 B.11,45 C.11,55 D.11,40
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0, 3, 9, 21, (), 93 A.40 B.45 C.36 D.38
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36, 21, 15, 6, (), 一3, 12。A.2 B.3 C.7 D.9