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1,1,2,6,24,() A,25;B,27;C,120;D,125
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1 1 2 6 24() A.11 B.50 C.80 D.120
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3/5×0.25÷0.15的值是()。 A.1B.1.5C.1.6D.2.0
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120,24,6,2,1,() A.1 B.0.1 C.0.25 D.0.1252
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1,1,2,6,24,120, ()。A.620B.720C.820D.680
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1,1,2,6,24,120, ()。A.620B.720C.820D.680
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1 1 2 6 24 ()。A.48 B.96 C.120 D.122