2711 10 | × | 105 | × | 12 | − | 170793 4 | = | 2711 10 | × | 100 | × | 12 | + | 2711 10 | × | 5 | × | 12 | − | X |
| 方程左边 = | 341586 | − | 170793 4 |
| = | 1195551 4 |
1195551 4 | = | 2711 10 | × | 100 | × | 12 | + | 2711 10 | × | 5 | × | 12 | − | X |
| 方程右边 = | 325320 | + | 16266 | − | X |
| = | 341586 | − | X |
1195551 4 | = | 341586 | − | X |
| X | = | 341586 | − | 1195551 4 |
| X | = | 170793 4 |