題目列表(包括答案和解析)
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| 12 |
| 3cos2θ+4sin2θ |
|
| x |
| yz |
| y |
| zx |
| z |
| xy |
| 1 |
| x |
| 1 |
| y |
| 1 |
| z |
| x |
| a |
| y |
| b |
| x |
| a |
| y |
| b |
| z |
| c |
| |Ax0+By0+C| | ||
|
| |Ax0+By0+Cz0+D| | ||
|
| |Ax0+By0+Cz0+D| | ||
|
|
|
|
|
|
| OA |
| OB |
| OA′ |
| OB′ |
| π |
| 3 |
|
| 5 |
| 5 |
| 1 |
| x |
| 1 |
| y |
| 1 |
| z |
1 1 |
| 2 |
| π |
| 4 |
|
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