6 5 | × | 160 | × | 1000000 | = | 48 5 | × | 200 | x | ( | 455 | − | 1 2 | x | ) | + | 210 | × | 628 | × | 410 |
| 方程左边 = | 192000000 |
| 192000000 | = | 48 5 | × | 200 | x | ( | 455 | − | 1 2 | x | ) | + | 210 | × | 628 | × | 410 |
| 方程右边 = | 1920 | x | ( | 455 | − | 1 2 | x | ) | + | 54070800 |
| 192000000 | = | 1920 | x | ( | 455 | − | 1 2 | x | ) | + | 54070800 |
| 方程右边 = | 1920 | x | × | 455 | − | 1920 | x | × | 1 2 | x | + | 54070800 |
| = | 873600 | x | − | 960 | x | x | + | 54070800 |
| 192000000 | = | 873600 | x | − | 960 | x | x | + | 54070800 |