| A | 第一象限 |
| B | 第二象限 |
| C | 第三象限 |
| D | 第四象限 |
| A | (-1,2) |
| B | (-1,3) |
| C | (-2,1) |
| D | (-2,3) |
| A | (7,3) |
| B | (6,4) |
| C | (7,4) |
| D | (8,4) |
| A | |
| B | 3 |
| C | 4 |
| D | 5 |
| A | (2,3-2 |
| B | (2,1) |
| C | (2,2 |
| D | (-1,2 |