( | X | − | 5000 | − | 1500 | − | 13681 25 | − | 382841 100 | ) | × | 1 10 | + | 382841 100 | × | 3 100 | + | 13681 25 | + | 565209 50 | = | X |
方程左边 = | ( | X | − | 5000 | − | 1500 | − | 13681 25 | − | 382841 100 | ) | × | 1 10 | + | 1148523 10000 | + | 13681 25 | + | 565209 50 |
= | ( | X | − | 5000 | − | 1500 | − | 13681 25 | − | 382841 100 | ) | × | 1 10 | + | 119662723 10000 |
( | X | − | 5000 | − | 1500 | − | 13681 25 | − | 382841 100 | ) | × | 1 10 | + | 119662723 10000 | = | X |
方程左边 = | X | × | 1 10 | − | 5000 | × | 1 10 | − | 1500 | × | 1 10 | − | 13681 25 | × | 1 10 | − | 382841 100 | × | 1 10 | + | 119662723 10000 |
= | X | × | 1 10 | − | 500 | − | 150 | − | 13681 250 | − | 382841 1000 | + | 119662723 10000 |