【单选题】设向量组α1=(1,-1,2,4),α2=(0,3,1,2),α3=(3,0,7,14),α4=(1,-2,2,0),α5=(2,1,5,10),则该向量组的极大线性无关组是
【单选题】西餐主叉放于展示盘的 ( ) ,与展示盘边距离为 1cm 。
【简答题】Ford's cars became available to ordinary people thanks to_________Ford///'s cars became available to ordinary people thanks to_________
【单选题】在借贷记账法下,“原材料”账户的余额( )
【单选题】在借贷记账法下,“原材料” 账户的余额( )
【单选题】在借贷记账法下,“原材料”账户的余额( )
【单选题】在借贷记账法下,原材料账户的余额( )。
【单选题】在借贷记账法下,“原材料”账户的余额( )。
【单选题】在借贷记账法下,“原材料”账户的余额( )。