| x | = | 1077202763789 50 | − | ( | 342331386797 100 | − | x | × | 1 25 | × | 1 4 | − | ( | 342331386797 100 | − | x | × | 1 25 | × | 1 4 | ) | × | 3 20 | + | 341836809579 50 | ) |
| 方程右边 = | 1077202763789 50 | − | 342331386797 100 | + | x | × | 1 25 | × | 1 4 | + | ( | 342331386797 100 | − | x | × | 1 25 | × | 1 4 | ) | × | 3 20 | − | 341836809579 50 |
| = | 1077202763789 50 | − | 342331386797 100 | + | x | × | 1 100 | + | ( | 342331386797 100 | − | x | × | 1 25 | × | 1 4 | ) | × | 3 20 | − | 341836809579 50 |