求解线性方程组 x1-2x2+3x3-x4-x5=2 x1+x2-x3+x4-2x5=1 2x1-求解线性方程组x1-2x2+3x3-x4-x5=2x1+x2-x3+x4-2x5=12x1-x2+x3-2x5=22x1+2x2-5x3+2x4-x5=5

求解线性方程组 X1+X2+X3=6 2X1+3X2+X3=11 X1-X2+2X3=5 求解非齐次线性方程组x1+x2+x3=3,x2-x3=0,-x1-x2+2x3=0,2x1-x2+x3=2 线性方程组求解,x1+2x2+x3-x4=1 3x1+6x2-x3-3x4=0 求解下列非齐次线性方程组!x1-2x2+3x3-x4=13x1-x2+5x3-3x4=22x1+x2+2x3-2x4=3 求解线性方程组：x1+x2+x3=6 2x1-x2+3x3=9 2x1+3x2-2x3=2 求解线性方程组：X1+2X2+X3=8,2X1+3X2+X3=11,X1+3X2+3X3=16. 用逆矩阵的方法求解线性方程组{x1-x2-x3=2 2x1-x2-3x3=4 3x1+2x2-5x3=9} 用逆矩阵的方法求解线性方程组 x1-x2-x3=2 2x1-x2-3x3=4 3x1+2x2-5x3=9 求解线性方程组：2X1+3X3=1 x1-X2+2x3=1 X1-3X2+4X3=2 求解线性方程组 x1-2x2+3x3-x4-x5=2 x1+x2-x3+x4-2x5=1 2x1-求解线性方程组x1-2x2+3x3-x4-x5=2x1+x2-x3+x4-2x5=12x1-x2+x3-2x5=22x1+2x2-5x3+2x4-x5=5 求解齐次线性方程组 2x1+3x2-x3-7x4=0 3x1+x2+2x3-7x4=0 4x1+求解齐次线性方程组2x1+3x2-x3-7x4=03x1+x2+2x3-7x4=04x1+x2-3x3+6x4=0x1-2x2+5x3-5x4=0 求解如下线性方程组:x1+2x2+3x3=1 x2+2x3=2 2x1-x2+x3=-3 求解下列非齐次线性方程组的通解 X1-X2-X3+X4=1X1+X2-X3-3X4=52X1-2X3+2X4=6X前面为系数 后面为次数 求解线性方程组X1-X2+X4=2,X1-2X2+X3+4X4=3,2X1-3X2+X3+5X4=5 求解下列非齐次线性方程组|4x1+2x2-x3=2|3x1-x2+2x3=10|11x1+3x2=8 求解非齐次线性方程组的通解 X1+X2-2*X4=-6 4*X1-X2-X3-X4=1 3X1-X2-X3=3 求解线性方程组的一般解方程组为 x1-x2+x4=2x1-2x2+x3+4x4=32x1-3x2+x3+5x4=5 求解齐次线性方程组 2x1+3x2-x3-7x4=0 3x1+x2+2x3-7x4=0 4求解齐次线性方程组 2x1+3x2-x3-7x4=03x1+x2+2x3-7x4=04x1+x2-3x3+6x4=0x1-2x2+5x3-5x4=0