i feven a had night last

i feven a had night last ni hao a ni I had a bad i had a dream ni shi she i 与对角矩阵相似的充分必要条件 对于每一个ni 重特征根λi 矩阵λi -A的秩是n-ni 这里的ni 是什么?n阶矩阵与对角矩阵相似的充分必要条件 对于每一个ni 重特征根λi 矩阵λi -A的秩是n-ni这里的ni 英语问题（一般过去式）一般过去式练习题I.句型转换 1.The children had a good time in the park.否定句：__________________________________________ 一般疑问句：________________________________________ 2.There were about ni ni jiao sm a wo ai ni a ni hao a ni hao a ni hao a baidueneenenenene I just had a crazy I had a great time I had a very great I also had a cold I Had a Dream 歌词 I,just had a supporting