A、<span style=";font-family:宋体;font-size:14px">50,30</span></p><p></p>
B、<span style=";font-family:宋体;font-size:14px">@30,50</span></p><p></p>
C、<span style=";font-family:宋体;font-size:14px">@50</span><span style=";font-family:Calibri;font-size:14px"><</span><span style=";font-family:宋体;font-size:14px">30</span></p><p></p>
D、<span style=";font-family:宋体;font-size:14px">30,50</span></p><p></p>
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