问题
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6 514 930 176 294 93 086 471A.4 B.3 C.2 D.1
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6 514 930 176 294 93 086 471 A.4 B.3 C.2 D.1
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12,2,2,3,14,2,7,1,18,3,2,3,40,10,(),4 A.4 B.2 C.3 D.1
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31×12.5×0.15×16的值是()。A.39.3 B.40.3 C.26.2 D.26.31
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3,2,12,40,144,()A.294B.356C.478 D.512
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3,2,12,40,144,() A.294 B.356 C.478 D.512