问题
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5,9,14,27,48,86,()。 A.170 B.162 C.157 D.134
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5,9,14,27,48,86,() A.170B.162C.157D.134
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2,5,14,29,86,()A.159B.162C.169D.173
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83,86,94,102,135,90,83,()。A.86B.99C.142D.173
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5,5,14,38,87,()A.167B.168C.169D.170
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某市8岁正常男孩体重有95%的人在18.39~29.45kg,其标准差是A、2.14kgB、5.14kgC、2.82kgD、0.95kgE、无