double and
double y;int m;
m=acos(y)*10;
这样赋值为什么成立啊
2010-02-16 14:08
2010-02-16 14:53
2010-02-17 03:59
2010-02-17 14:00
2010-02-17 14:44
2010-02-17 22:32
2010-02-18 00:19
2010-02-18 10:00
2010-02-18 14:50