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.在下列二次根式中，与
可以合并的二次根式是（）
可以合并的二次根式是（） A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：5ZCM57G75LqM5qyh5qC55byP55qE5a6a5LmJ77ya5qC55Y+35LiL6KKr5byA5pa55pWw55u45ZCM77yM5Y+r5ZCM57G75LqM5qyh5qC55byP
- 答案：Qw==
6Kej562U77yaPGltZyB3aWR0aD0zNSBoZWlnaHQ9MjUgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BQS8yOS9yQkFDRkZUSW1ncWpTNFI1QUFBQnNIeVU1ckUzMzkucG5nIj4gPTxpbWcgd2lkdGg9MjUgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvM0UvQUEvckJBQ0psVEltZ3JoLTR3RkFBQUJwMG5wWXEwNDYxLnBuZyI+LCA8aW1nIHdpZHRoPTI5IGhlaWdodD0yNSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0FBLzI5L3JCQUNGRlRJbWdxQTNtMDlBQUFCZERQSTBCbzU5MC5wbmciPj1hPGltZyB3aWR0aD0xNyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRS9FOS9yQkFDSjFUSW1ncXpaeFdUQUFBQmcwam9YdjAxODUucG5nIj4sIDxpbWcgd2lkdGg9MjkgaGVpZ2h0PTI1IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvM0UvQUEvckJBQ0psVEltZ3F5bnlDWEFBQUJjZno1RFZnNDE5LnBuZyI+PTxpbWcgd2lkdGg9MTUgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNzMvMUUvckJBQ0UxVEltZ3FCRGFYbUFBQUJTajZFOGlZNzc3LnBuZyI+PGJyPuaJgOS7peS4jjxpbWcgd2lkdGg9MjQgaGVpZ2h0PTIzIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvM0UvRTkvckJBQ0oxVEltZ3FpVTl5S0FBQUJSUFRNUUZzMDU1LnBuZyI+5piv5ZCM57G75LqM5qyh5qC55byP55qE5pivPGltZyB3aWR0aD0yOSBoZWlnaHQ9MjUgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9BQS8yOS9yQkFDRkZUSW1ncUEzbTA5QUFBQmREUEkwQm81OTAucG5nIj49YTxpbWcgd2lkdGg9MTcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvM0UvRTkvckJBQ0oxVEltZ3F6WnhXVEFBQUJnMGpvWHYwMTg1LnBuZyI+PGJyPuaVhemAiUM=
本课配套习题挑战模式2/5
单选题
难度系数：
2.若
是最简二次根式，它与
是可以合并的二次根式，则a的值为（）
是最简二次根式，它与是可以合并的二次根式，则a的值为（） | A: -1 |
| B: 1 |
| C: 2 |
| D: 5 |
一次做对，真牛！
+5奖励规则>
- 提示1：5qC55Y+35LiL5b+F6aG75piv5pyA566A5ZCO77yM6KKr5byA5pa555qE5byP55u45ZCM5omN5piv5ZCM57G75LqM5qyh5qC55byP
- 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.计算
的结果是（）
的结果是（） A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：5pyA566A5LqM5qyh5qC55byP55qE5a6a5LmJ
- 提示2：5ZCM57G75LqM5qyh5qC55byP
- 答案：Qg==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.下列运算正确的有（） （1）
（2）
（3）
（4）
（5）
（2） （3） （4） （5） | A: 0个 |
| B: 1个 |
| C: 2个 |
| D: 3个 |
一次做对，真牛！
+5奖励规则>
- 提示1：5ZCM57G75LqM5qyh5qC55byP55qE5a6a5LmJ
- 提示2：5pyA566A5LqM5qyh5qC55byP55qE5a6a5LmJ
- 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.如果
，
，那么
的值为（）
，，那么的值为（） | A: 2 |
| B: -2 |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：5LqM5qyh5qC55byP55qE5re35ZCI6L+Q566X77yM5YWI5LmY6Zmk77yM5ZCO5Yqg5YeP77yM5pyJ5ous5Y+35YWI566X5ous5Y+36YeM
- 答案：QQ==
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
