简答题:设向量组<img src="http://www.weimei168.com/uploads/202208/161267042367691.png" width="20" height="29" />=(1，-l，1)<img src="http://www.weimei168.com/uploads/202208/161267042979171.png" width="14" height="25" />，<img src="http://www.weimei168.com/uploads/202208/161267044186051.png" width="24" height="29" />=(0，1，-1)<img src="http://www.weimei168.com/uploads/202208/161267042979171.png" width="14" height="25" />，<img src="http://www.weimei168.com/uploads/202208/16126704365531.png" width="22" height="30" />=(1，0，1)<img src="http://www.weimei168.com/uploads/202208/161267042979171.png" width="14" height="25" />，用施密特正交化方法将向量组<img src="http://www.weimei168.com/uploads/202208/161267044781831.png" width="70" height="30" />化为标准正交向量组．