题目内容

判断下列各题在数轴上表示的不等式的解集是否正确.     
(1 )x>3                                                                             
[     ]
(2)x<0 
  [     ]
(3)x≤3 
[     ]
(4 )x ≥1.5                                                              
                                                                           [     ] 
(1 )∨  
(2 )×  
(3 )×  
(4 )×
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