如果不是正方形AX≠BX
如果是正方形AX=BX 不论AX是否垂直BX
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                    回复:回复:请详细解释一下
                     -桃花流水杳然去- 
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                        12/06/2012 postreply
                                                10:23:19
                    
                                                            
                    
                    
                                        
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                        12/06/2012 postreply
                                                10:23:19
                    
                    
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                    垂不垂直和这题无关
                     -yddad- 
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                        12/06/2012 postreply
                                                10:31:16
                    
                                                            
                    
                    
                                        
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                        12/06/2012 postreply
                                                10:31:16
                    
                    
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                    垂直可以证明这个菱形一定是正方形
                     -flagsix- 
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                        12/06/2012 postreply
                                                12:58:27
                    
                                                            
                    
                    
                                        
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                        12/06/2012 postreply
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