知识问答
            
    
                                            
                                            最佳答案:12000千克对于甲乙丙来说分别卖了12000/0.4=30000,12000/0.3=40000,12000/0.2=60000袋.而利润是售价减去包装成本,
                                        
                                    
                                            
                                            最佳答案:The improvement of living condition and medical technology has increased people'
                                        
                                    
                                            
                                            最佳答案:We will enter into an era of rich in material and excellent in health.
                                        
                                    
                                            
                                            最佳答案:The income of doctors have been promoted,while,it decreases when it comes to nur
                                        
                                    
                                            
                                            最佳答案:修改病句:通过这些发明,使人们的生活水平大大提高了.【原句】正确:通过这些发明【的广泛运用】,使人们的生活水平大大提高了.发明缺少谓语,和宾语.语句不完整
                                        
                                    