| 330 | × | 1884 | = | 23 2 | × | 9900 | x | + | 330 | × | 452 |
| 方程左边 = | 621720 |
| 621720 | = | 23 2 | × | 9900 | x | + | 330 | × | 452 |
| 方程右边 = | 113850 | x | + | 149160 |
| 621720 | = | 113850 | x | + | 149160 |
| - | 113850 | x | = | 149160 | − | 621720 |
| - | 113850 | x | = | - | 472560 |
| 472560 | = | 113850 | x |
| 113850 | x | = | 472560 |
| x | = | 472560 | ÷ | 113850 |
| = | 472560 | × | 1 113850 |
| = | 1432 | × | 1 345 |
| x | = | 1432 345 |
| x | = | 4.150725 |