中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.
已知a，b为实数，且满足
，
则
的值为（ ）
| A: -1 |
| B: -2 |
| C: -3 |
| D: -4 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5qC55o2u5LqM5qyh5qC55byP5a2Y5Zyo55qE5oSP5LmJ77yM5qC55o2u6Z2e6LSf5pWw55qE5oCn6LSoPC9wPg==
- 答案：Qg==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.x，y都是实数，且
化简
的值为（ ）
化简的值为（ ） | A: -1 |
| B: -2 |
| C: 1 |
| D: 2 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWFiOagueaNruS6jOasoeagueW8j+acieaEj+S5ieeahOadoeS7tuaxguWHunjnmoTlgLzvvIzmsYLlh7p555qE5YC877yM5qC55o2u5LqM5qyh5qC55byP55qE5oCn6LSo5YyW566A77yM5pyA5ZCO5Y675o6J57ud5a+55YC856ym5Y+35ZCO5ZCI5bm25Y2z5Y+v
- 答案：QQ==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.若实数a，b，c满足
,则
的值为（ ）
,则的值为（ ） A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNruS6jOasoeagueW8j+acieaEj+S5ieeahOadoeS7tuWPr+axgmPnmoTlgLzvvIzmoLnmja7pnZ7otJ/mlbDnmoTmgKfotKjlj6/msYJh44CBYueahOWAvO+8jOWGjeS7o+WFpQ==
- 答案：QQ==
PGRpdj7op6PvvJrnlLHkuo5jJiM4NzIyOzLiiaUw77yMMiYjODcyMjtj4omlMOino+W+l2M9Mu+8jOaJgOS7pWImIzg3MjI7MmErM++8nTDvvIxhK2ImIzg3MjI7Mu+8nTDop6Plvpc8aW1nIHdpZHRoPTkwIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzIzLzYwL3JCQUNFMU1NVzFfUkVBNnBBQUFDQ3lUY0ltbzM1OC5wbmciPjwvZGl2PjxkaXY+5omA5Lul77yM5Y6f5byPPTxpbWcgd2lkdGg9MTAxIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzAwLzcxL3JCQUNGRk1NVzEtd2U2eFdBQUFDV2phaFpGVTkwNy5wbmciPjwvZGl2Pg==
本课配套习题挑战模式4/5
单选题
难度系数：
4.若
，则a的值为（）
，则a的值为（） | A: 4023 |
| B: 4024 |
| C: 4022 |
| D: 4021 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNruS6jOasoeagueW8j+eahOiiq+W8gOaWueaVsOaYr+mdnui0n+aVsOWNs+WPr+axguW+l2HnmoTojIPlm7TvvIzljbPlj6/ljrvmjonnu53lr7nlgLznrKblj7fvvIzliKnnlKjlubPmlrnms5XljbPlj6/msYLlvpdh55qE5YC8
- 答案：QQ==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.已知
，化简
的值为（ ）
，化简的值为（ ） A: |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNrue7neWvueWAvOeahOaEj+S5ie+8jOehruWumnjnmoTlj5blgLzojIPlm7TvvIznhLblkI7nlKjkuozmrKHmoLnlvI/nmoTmgKfotKjlr7nku6PmlbDlvI/ljJbnroA=
- 答案：Qw==
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
