长隆度假区und（）使⽤
public static decimal Round(decimal d, int decimals, MidpointRounding mode);//标准的四舍五⼊计算
public static double Round(double value, int digits, MidpointRounding mode);
幽默诙谐范例：double bb = 1.525;
辣椒炒鸡蛋
蒜泥金针菇梅花5角硬币double th = Math.Round(bb, 2);//得出来的值为1.52
double tr = Math.Round(bb, 2, MidpointRounding.AwayFromZero);//得到值为1.53Rojak
>上海枫泾古镇>恰好的近义词
