发表于：2012/12/29 12:09:12
#0楼
A(
O M 444.2
ON M 444.2
)
= "1"
A "1"
O(
A M 444.2
AN "1"
= "0"
A "0"
)
= M 444.3
O M 444.2
ON M 444.2
)
= "1"
A "1"
O(
A M 444.2
AN "1"
= "0"
A "0"
)
= M 444.3