问题
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1, 8, 22, 50, 99, () A.120 B.134 C.142 D.176
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1, 8, 22, 50,(), 176 A.99 B.102 C.106 D.108
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1,8, 22, 50, 99, ()。A.120 B.134C.142 D.176
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0.1+0.3+0.5+0.7+0.9+0.1 1+0.13+0.15+0.17+0.19+0.21+?+0.99一().A.13.25 B.22.55 C.27.25
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1 8 22 50 99 ()A.120B.134C.142D.176
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1,8,22,50,99,()A.120B.134C.142D.176