本课配套习题挑战模式1/5
单选题
难度系数:
1.计算结果正确的是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5LqM5qyh5qC55byP55qE6Zmk5rOV5rOV5YiZ77yaPGltZyB3aWR0aD04MyBoZWlnaHQ9NjIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9BQS8yOC9yQkFDRkZUSW1lT2cwbXdfQUFBRFBIZ3lzY2s4MDkucG5nIj4oYTxpbWcgd2lkdGg9MTA1IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0FBL3JCQUNKbFRJbWVPUmlDWHJBQUFDTklrSlEyVTgzOS5wbmciPik=
- 答案:QQ==
6Kej562U77ya4oi1PGltZyB3aWR0aD02MSBoZWlnaHQ9NDggc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BQS8yOC9yQkFDRkZUSW1lUGc2amxfQUFBQ1RBVUR6amM5NzAucG5nIj49PGltZyB3aWR0aD02MiBoZWlnaHQ9NjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS9FOS9yQkFDSjFUSW1lT3lKR2ZYQUFBQ1g4bHA5anM3OTMucG5nIj49PGltZyB3aWR0aD0yNiBoZWlnaHQ9MjUgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRS9BQS9yQkFDSmxUSW1lT0F5N0hhQUFBQlZTQUtWR2cyODkucG5nIj48YnI+5pWF6YCJQQ==
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列二次根式中,最简二次根式是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5pyA566A5LqM5qyh5qC55byP55qE5a6a5LmJ77ya5qC55Y+35LiL5LiN5ZCr5a6M5YWo5bmz5pa55Zug5byP5oiW5YiG5q+N5LiN5ZCr5LqM5qyh5qC55byP
- 答案:Qw==
6Kej562U77yaQS4gPGltZyB3aWR0aD0yOCBoZWlnaHQ9NDggc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS9BQS9yQkFDSmxUSW1lN0N1Z0EyQUFBQm5PblI5dDgyNDUucG5nIj49PGltZyB3aWR0aD0yMSBoZWlnaHQ9NjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BQS8yOS9yQkFDRkZUSW1lNnk4TUpIQUFBQnZFRE9oUzgwMzcucG5nIj5CLiA8aW1nIHdpZHRoPTM3IGhlaWdodD0yNSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzNFL0U5L3JCQUNKMVRJbWU2dzI5dVpBQUFCbkpUTVRGczY2Ni5wbmciPj08aW1nIHdpZHRoPTcyIGhlaWdodD02MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0FBL3JCQUNKbFRJbWU3emd2Tk5BQUFDdGJhYndwRTQ1OS5wbmciPjxicj5ELiA8aW1nIHdpZHRoPTMzIGhlaWdodD0yNSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzczLzFFL3JCQUNFMVRJbWU3Q2lySWJBQUFCamtyV1h0ZzE0Ny5wbmciPj01PGltZyB3aWR0aD0yMyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS9BQS9yQkFDSmxUSW1lN0FmQVdHQUFBQmthVXViY0E3NzMucG5nIj48YnI+5omA5LulQ+aYr+acgOeugOS6jOasoeagueW8jzxicj7pgIlD
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( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:PGltZyB3aWR0aD0xMTAgaGVpZ2h0PTYyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvM0UvQUEvckJBQ0psVEltZWlEOENYVEFBQUR6QVNNVlZvMzQyLnBuZyI+LOS6jOasoeagueW8j+eahOmZpOazleazleWImQ==
- 答案:Qw==
6Kej562U77yaPGltZyB3aWR0aD05MyBoZWlnaHQ9NDggc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8zRS9FOS9yQkFDSjFUSW1lakE2RjE1QUFBRGFLTjlXSU0zMTcucG5nIj4gPTI8aW1nIHdpZHRoPTc0IGhlaWdodD02MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzNFL0FBL3JCQUNKbFRJbWVqZ1VKbGJBQUFDc2o1aGJPODMzNy5wbmciPj08aW1nIHdpZHRoPTQxIGhlaWdodD0yNCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FBLzI4L3JCQUNGRlRJbWVpamNYT3pBQUFCOVhjWjZ1RTc5OC5wbmciPjxicj7mlYXpgIlD
本课配套习题挑战模式4/5
单选题
难度系数:
4.
等式成立的条件是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1: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
- 答案:Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.化简的结果是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5pyA566A5LqM5qyh5qC55byP55qE5a6a5LmJ
- 提示2:5YiG5q+N5pyJ55CG5YyW5YyW5oiQ5pyA566A5LqM5qyh5qC55byP
- 答案:Qw==
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