问题
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1 6 13 22 () A.27 B.29 C.33 D.46
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1 6 13 22 () A.27 B.29 C.33 D.46
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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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-27,-35,-39,-34,-13,()A.-7B.-4C.22D.33
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-27,-35,-39,-34,-13,()A.-7 B.-4 C.22 D.33
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-27,-35,-39,-34,-13,()A.7 B.-4 C.22 D.33