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题目
题型:同步题难度:来源:
若不等式组的解集为,则a的取值范围为                                                                                                                                                        [     ]A a>0        
B. a=0      
C. a>4      
D.  a=4
答案
D
核心考点
试题【若不等式组的解集为,则a的取值范围为                                                              】;主要考察你对一元一次不等式组解法等知识点的理解。[详细]
举一反三
不等式组的解集在数轴上表示正确的是                                                                                                                                                        [     ]
A.
B.
C.
D.
题型:同步题难度:| 查看答案
如果不等式组有解,那么的取值范围是                                                                                                                                                         [    ]A.>3    
B     
C. <3      
D
题型:同步题难度:| 查看答案
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不等式组 -1﹤3x+4≤2的解集是(     )
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