我的查詢語句是：SELECT *, [chinese] + [math] + [english] + [history] + [physical] AS tot, <FONT color=#ff0000><STRONG>([chinese] + [math] + [english])/3 AS stuavg</STRONG></FONT>&nbsp; FROM [stureport] ORDER BY [id]，用的是access 2003數據庫，我想使 stuavg字段得出來的數字都保留兩位小數，查詢表達式應該怎么寫（chinese,math,english字段都是number型）。