1/5单选题
难度：
1.已知函数
=2
,则
=
=2,则= | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- 5Luj5YWl5rGC5YC8
正确答案：QQ==
PGltZyB3aWR0aD0yNjEgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNDcvNTkvckJBQ0oxVFpWVEtTNFV6a0FBQUVtbFJoYzQ0MTA1LnBuZyI+PTxpbWcgd2lkdGg9MTM2IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzdCL0M5L3JCQUNFMVRaVlRPalpyX2ZBQUFDUU5nUDBBbzAxMC5wbmciPg==
2/5单选题
难度：
2.计算
°的结果等于（）
°的结果等于（） | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- 5bqU55So5LiJ6KeS5Y+Y5o2i5Lit55qE5LqM5YCN6KeS5YWs5byP
- 提示2：
- 6ICD6JmR54m55q6K6KeS55qE5LiJ6KeS5Ye95pWw5YC8
- 提示3：
- 55So6ZmN5bmC5YWs5byP5YyW5oiQ54m55q6K6KeS
正确答案：Qg==
5Y6f5byPPTxpbWcgd2lkdGg9MzcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvN0IvQzkvckJBQ0UxVFpWVGZBcUw0V0FBQUJtbWJzeUYwOTAxLnBuZyI+wrA9PGltZyB3aWR0aD0xNiBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC80Ny8xNi9yQkFDSmxUWlZUV1E1dFRRQUFBQmpKV0lKLVk2MTAucG5nIj4=
3/5单选题
难度：
3.
=
= | A |  |
| B |  |
| C |  |
| D |  |
- 提示1：
- 5bqU55So5YCN6KeS5YWs5byP6YCQ5q2l5YyW566A
正确答案：RA==
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
4/5单选题
难度：
4.已知
,求
,求 | A |  |
| B |  |
| C | |
| D |  |
- 提示1：
- 5LiH6IO95YWs5byP5Lit5pyJPGltZyB3aWR0aD0xMTggaGVpZ2h0PTYyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNDcvMTYvckJBQ0psVFpWVG1CVEZHeEFBQURHWWdoNHB3MjI3LnBuZyI+
- 提示2：
- 5YiZPGltZyB3aWR0aD0xMzAgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNDcvNTkvckJBQ0oxVFpWVG1SMkRibkFBQURHWGRnR2I0OTQwLnBuZyI+
- 提示3：
- 5rGC5b6XPGltZyB3aWR0aD0zMCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83Qi9DOS9yQkFDRTFUWlZUckRzeTNHQUFBQmZLT09sa0E0NTUucG5nIj7nmoTlgLzvvIzmiormiYDmsYLlvI/lrZDovazmjaLmiJDlhbPkuo48aW1nIHdpZHRoPTMwIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzdCL0M5L3JCQUNFMVRaVlRyRHN5M0dBQUFCZktPT2xrQTQ1NS5wbmciPueahOW8j+WtkA==
正确答案：Qg==
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
5/5单选题
难度：
5.
已知
，化简：
得到（）
| A |
|
| B |
|
| C |
|
| D |
|
- 提示1：
- PHA+5Yip55So5LqM5YCN6KeS5YWs5byP5raI5Y675YWs5Zug5byPPC9wPg==
- 提示2：
- PHA+5Yip55So5LqM5YCN6KeS55qE5L2Z5bym5YWs5byP5YyW566APC9wPg==
正确答案：Qg==
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