题目列表(包括答案和解析)
| a |
| b |
| 1 |
| 12 |
| a |
| b |
| a |
| b |
| A、(5,0) |
| B、(5,-10) |
| C、(4,-2) |
| D、(-4,2) |
| a |
| b |
| 1 |
| 12 |
| a |
| b |
| a |
| b |
| A.(5,0) | B.(5,-10) | C.(4,-2) | D.(-4,2) |
| AB |
| BC |
| AC |
| a |
| b |
| c |
| a |
| b |
| a |
| c |
| a |
| 0 |
| b |
| c |
| a |
| b |
| a |
| b |
| 7 |
| a |
| b |
| c |
| a |
| b |
| c |
| a |
| b |
| c |
| a |
| b |
| a |
| b |
| a |
| b |
| a |
| b |
| a |
| b |
| a |
| b |
| a |
| b |
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