| x | = | ( | 6 5 | − | 2 | x | ) | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) | × | 81 50 | × | 10000000 |
| 方程右边 = | ( | 6 5 | − | 2 | x | ) | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) | × | 16200000 |
| x | = | ( | 6 5 | − | 2 | x | ) | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) | × | 16200000 |
| 方程右边 = | 6 5 | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) | × | 16200000 | − | 2 | x | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) | × | 16200000 |
| = | 19440000 | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) | − | 32400000 | x | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) |
| = | 19440000 | × | 6 5 | ( | 1 25 | − | x | ) | − | 19440000 | × | 2 | x | ( | 1 25 | − | x | ) | − | 32400000 | x | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) |
| = | 23328000 | ( | 1 25 | − | x | ) | − | 38880000 | x | ( | 1 25 | − | x | ) | − | 32400000 | x | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) |
| = | 23328000 | × | 1 25 | − | 23328000 | x | − | 38880000 | x | ( | 1 25 | − | x | ) | − | 32400000 | x | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) |
| = | 933120 | − | 23328000 | x | − | 38880000 | x | ( | 1 25 | − | x | ) | − | 32400000 | x | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) |
| = | 933120 | − | 23328000 | x | − | 38880000 | x | × | 1 25 | + | 38880000 | x | x | − | 32400000 | x | ( | 6 5 | − | 2 | x | ) |
| = | 933120 | − | 23328000 | x | − | 1555200 | x | + | 38880000 | x | x | − | 32400000 | x | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) |
| = | 933120 | − | 24883200 | x | + | 38880000 | x | x | − | 32400000 | x | ( | 6 5 | − | 2 | x | ) | ( | 1 25 | − | x | ) |
| = | 933120 | − | 24883200 | x | + | 38880000 | x | x | − | 32400000 | x | × | 6 5 | ( | 1 25 | − | x | ) | + | 32400000 | x |
| = | 933120 | − | 24883200 | x | + | 38880000 | x | x | − | 38880000 | x | ( | 1 25 | − | x | ) | + | 64800000 | x | x |
| = | 933120 | − | 24883200 | x | + | 38880000 | x | x | − | 38880000 | x | × | 1 25 | + | 38880000 | x | x |
| = | 933120 | − | 24883200 | x | + | 38880000 | x | x | − | 1555200 | x | + | 38880000 | x | x | + | 64800000 |
| = | 933120 | − | 26438400 | x | + | 38880000 | x | x | + | 38880000 | x | x | + | 64800000 | x | x |
| = | 933120 | − | 26438400 | x | + | 38880000 | x | x | + | 38880000 | x | x | + | 64800000 | x | x |
| = | 933120 | − | 26438400 | x | + | 38880000 | x | x | + | 38880000 | x | x | + | 2592000 | x | x |
| x | = | 933120 | − | 26438400 | x | + | 38880000 | x | x | + | 38880000 | x | x | + | 2592000 | x | x |