设A为2阶矩阵,P(阿尔法,A阿尔法) ,其中阿尔法是非零向量且不是A的特征向量
暂无解析
Howlong________they________(dig)theditch?
Aftersomanydayswithoutrain,thegroundquickly________thelittlerainthatfelllastnight.
Thefloordoesnotlooksobadwhen________(sweep)clean.
Ipreferthisdiagram________thatone.
_______themovieIwouldhavefinishedmypaperlastSunday.