题目：
已知| 1 |
| x |
| 1 |
| y |
| 3x+xy+3y |
| x-xy+y |
| 13 |
| 3 |
| 13 |
| 3 |
答案
| 13 |
| 3 |
解：∵
| 1 |
| x |
| 1 |
| y |
∴x+y=4xy，
则
| 3x+xy+3y |
| x-xy+y |
=
| 3(x+y)+xy |
| (x+y)-xy |
=
| 3×4xy+xy |
| 4xy-xy |
=
| 13xy |
| 3xy |
=
| 13 |
| 3 |
故答案为：
| 13 |
| 3 |
| 1 |
| x |
| 1 |
| y |
| 3x+xy+3y |
| x-xy+y |
| 13 |
| 3 |
| 13 |
| 3 |
| 13 |
| 3 |
| 1 |
| x |
| 1 |
| y |
| 3x+xy+3y |
| x-xy+y |
| 3(x+y)+xy |
| (x+y)-xy |
| 3×4xy+xy |
| 4xy-xy |
| 13xy |
| 3xy |
| 13 |
| 3 |
| 13 |
| 3 |
（2008·泰州）根据图的流程图中的程序，当输入数据x为-2时，输出数值y为（ ）