简答题:求向量组<img src="http://www.weimei168.com/uploads/202208/1612580423661.png" width="20" height="29" />=(2，3，1)<img src="http://www.weimei168.com/uploads/202208/161258043034951.png" width="14" height="25" />，<img src="http://www.weimei168.com/uploads/202208/161258010087261.png" width="24" height="29" />=(1，-1，3)<img src="http://www.weimei168.com/uploads/202208/161258043034951.png" width="14" height="25" />，<img src="http://www.weimei168.com/uploads/202208/161258032591021.png" width="22" height="30" />=(3，2，4)<img src="http://www.weimei168.com/uploads/202208/161258043034951.png" width="14" height="25" />的一个极大无关组，并将其余向量用该极大无关组表示出来．