[youcao0229]

A=[0 0 1 0 0 1 0 1 0 0 1000;0 1 -1 1 0 0 0 0 0 0 300; 0 0 0 1 1 0 0 0 0 0 500;
0 0 0 0 0 -1 1 0 0 0 200;1 1 0 0 0 0 0 0 0 0 800; 1 0 0 0 1 0 0 0 0 0 800;
0 0 0 0 0 0 1 1 0 0 1000; 0 0 0 0 0 0 0 0 1 0 400;0 0 0 0 0 0 0 0 -1 1 200;
0 0 0 0 0 0 0 0 0 1 600];
求解该线性方程组x1到x10的值；