问答题

| ① | x=90,y=90 | ② | x=50,y=50 |
| ⑧ | x=90,y=90 | ④ | x=90,y=70 |
| x=50,y=50 | x=40,y=90 | ||
| ⑤ | x=90,y=90 | ⑥ | x=90,y=70 |
| x=50,y=50 | x=70,y=90 | ||
| x=90,y=70 | x=50,y=50 | ||
| ⑦ | x=90,y=90 | ⑧ | x=90,y=90 |
| x=50,y=50 | x=50,y=50 | ||
| x=90,y=70 | x=90,y=50 | ||
| x=70,y=90 | x=80,y=80 | ||
| ⑨ | x=90,y=90 | ⑩ | x=90,y=90 |
| x=90,y=70 | x=80,y=80 | ||
| x=90,y=30 | x=90,y=70 | ||
| x=70,y=90 | x=70,y=90 | ||
| x=30,y=90 | x=30,y=90 | ||
| x=70,y=70 | x=0,y=90 | ||
| x=50,y=50 | x=70,y=70 | ||
| x=50,y=50 |