UID︰12
UID︰14
下面是引用垃圾桶於2005-09-08 16:57發表的:(Z+Y) (Z-Y) = Y(Z-Y)(Z+Y)=YZ=0!!
UID︰5696
下面是引用冷於2005-09-08 17:02發表的:用到MI tim -o-
UID︰97