| - | 7001 10000 | ( | x | − | 1 5 | ) | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 3 | × | 251 625 | ( | x | − | 1 10 | ) | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | − | 3 | × | 1081 10000 | ( | x | − | 1 10 | ) | = | 0 |
| 方程左边 = | - | 7001 10000 | ( | x | − | 1 5 | ) | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 753 625 | ( | x | − | 1 10 | ) | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | − | 3243 10000 | ( | x | − | 1 10 | ) | ( | x | − | 1 5 | ) | ( | x | − | 2 5 | ) |
| - | 7001 10000 | ( | x | − | 1 5 | ) | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 753 625 | ( | x | − | 1 10 | ) | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | − | 3243 10000 | ( | x | − | 1 10 | ) | ( | x | − | 1 5 | ) | ( | x | − | 2 5 | ) | = | 0 |
| 方程左边 = | - | 7001 10000 | x | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 7001 10000 | × | 1 5 | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 753 625 | ( | x | − | 1 10 | ) | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) |
| = | - | 7001 10000 | x | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 7001 50000 | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 753 625 | ( | x | − | 1 10 | ) | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | − | 3243 10000 |
| = | - | 7001 10000 | x | x | ( | x | − | 2 5 | ) | + | 7001 10000 | x | × | 3 10 | ( | x | − | 2 5 | ) | + | 7001 50000 | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 753 625 |
| = | - | 7001 10000 | x | x | ( | x | − | 2 5 | ) | + | 21003 100000 | x | ( | x | − | 2 5 | ) | + | 7001 50000 | ( | x | − | 3 10 | ) | ( | x | − | 2 5 | ) | + | 753 625 | ( | x | − | 1 10 | ) |
| = | - | 7001 10000 | x | x | x | + | 7001 10000 | x | x | × | 2 5 | + | 21003 100000 | x | ( | x | − | 2 5 | ) | + | 7001 50000 |
| = | - | 7001 10000 | x | x | x | + | 7001 25000 | x | x | + | 21003 100000 | x | ( | x | − | 2 5 | ) | + | 7001 50000 | ( | x | − | 3 10 | ) |
| = | - | 7001 10000 | x | x | x | + | 7001 25000 | x | x | + | 21003 100000 | x | x | − | 21003 100000 | x |
| = | - | 7001 10000 | x | x | x | + | 7001 25000 | x | x | + | 21003 100000 | x | x | − | 21003 250000 | x |
| = | - | 7001 10000 | x | x | x | + | 7001 25000 | x | x | + | 21003 100000 | x | x | − | 21003 250000 | x |
| = | - | 7001 10000 | x | x | x | + | 7001 25000 | x | x | + | 21003 100000 | x | x | − | 21003 250000 | x |
| = | - | 7001 10000 | x | x | x | + | 7001 25000 | x | x | + | 21003 100000 | x | x | − | 21003 250000 | x |
| = | - | 7001 10000 | x | x | x | + | 7001 25000 | x | x | + | 21003 100000 | x | x | − | 21003 250000 | x |