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                            集合
===
集合: 具有某種特定性質的事物的總體
            組成這個集合的事物稱為該集合的元素
![](https://box.kancloud.cn/71fa5766cf0b889df88e978942bb508d_742x319.png)

![](https://box.kancloud.cn/9e3253b3a180a9eb71452bbb223c2c59_1121x474.png)

### 并集
![](https://box.kancloud.cn/335d5e9be19f8f547c921ee842d2ed8a_1088x442.png)

### 交集
![](https://box.kancloud.cn/ecfa2bbe7b1152d597bb2fd630de671b_1170x418.png)

### 差集
![](https://box.kancloud.cn/82d42d614cff53c8da29e4bd37ee5982_1171x474.png)

### 全集&補集
![](https://box.kancloud.cn/c5474731d1abb523d9829ee8ddcd923b_1035x503.png)

                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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