18.0500修约至0.1,为
18.0500修约至0.1,为
18.0500修约至0.1,为( ) A: 18.0 B: 18.1
18.0500修约至0.1,为( ) A: 18.0 B: 18.1
                    
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            18.0500修约至0.1,为
18.0500修约至0.1,为( ) A: 18.0 B: 18.1