9633
求解聯立方程?
求解法 謝謝X1 X2 X3= 1X1 4X2 26X3= 10695X1- 2X2 12X3= 19609 X1=?X2=?X3=?
X1 X2 X3= 1 ---------------(1)X1 4X2 26X3= 10695-----(2)X1- 2X2 12X3= 19609------(3)(3)*2=