本课配套习题挑战模式1/3
单选题
难度系数:
1.已知集合A=,且集合B=,若,则实数的值是( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IEI9PGltZyB3aWR0aD05IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJFLzYzL3JCQUNKbFNndUptaWZYUmtBQUFCT21fR3FSczM0NC5wbmciPuaIlkI8aW1nIHdpZHRoPTIzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwLzYyLzYwL3JCQUNFMVNndUptd252bmJBQUFCWWYtMnJoWTI5Ny5wbmciPg==
- 答案:RA==
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
本课配套习题挑战模式2/3
单选题
难度系数:
2.设集合A=,B=,若,则实数的取值范围是( )
A: 0 |
B: |
C: |
D: 0 |
一次做对,真牛!
+5奖励规则>
- 提示1:IDxpbWcgd2lkdGg9MzYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkUvNjMvckJBQ0psU2d1d09oTnBPQ0FBQUJoc2F1cHRVNDQ1LnBuZyI+
- 提示2:IEI9PGltZyB3aWR0aD05IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJFLzYzL3JCQUNKbFNndXdQal9HUXJBQUFCT21fR3FSczQwNi5wbmciPuaIlkI8aW1nIHdpZHRoPTIzIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzJFL0ExL3JCQUNKMVNndXdPeWhzanBBQUFCWWYtMnJoWTQyOC5wbmciPg==
- 答案:Qw==
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
本课配套习题挑战模式3/3
单选题
难度系数:
3.设A=,B=,若,则实数( )
A: |
B: |
C: 且 |
D: 或 |
一次做对,真牛!
+5奖励规则>
- 提示1:IDxpbWcgd2lkdGg9MzYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMkUvNjMvckJBQ0psU2d1d09oTnBPQ0FBQUJoc2F1cHRVNDQ1LnBuZyI+
- 提示2: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
- 答案:RA==
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