| 2 | ( | 9 4 | − | 6733 5000 | X | ) | ( | - | 6733 5000 | ) | + | 4 | ( | 3 8 | − | 13251 10000 | X | ) | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) | + | 269 200 | ( | 9 2 | − | 6733 2500 | X | ) | = | 0 |
| 方程左边 = | 2 | × | 9 4 | ( | - | 6733 5000 | ) | − | 2 | × | 6733 5000 | X | ( | - | 6733 5000 | ) | + | 4 | ( | 3 8 | − | 13251 10000 | X | ) | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) |
| = | 9 2 | ( | - | 6733 5000 | ) | − | 6733 2500 | X | ( | - | 6733 5000 | ) | + | 4 | ( | 3 8 | − | 13251 10000 | X | ) | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) |
| = | - | 9 2 | × | 6733 5000 | − | 6733 2500 | X | ( | - | 6733 5000 | ) | + | 4 | ( | 3 8 | − | 13251 10000 | X | ) | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) |
| = | - | 60597 10000 | − | 6733 2500 | X | ( | - | 6733 5000 | ) | + | 4 | ( | 3 8 | − | 13251 10000 | X | ) | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) | + | 269 200 |
| = | - | 60597 10000 | + | 6733 2500 | X | × | 6733 5000 | + | 4 | ( | 3 8 | − | 13251 10000 | X | ) | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) | + | 269 200 |
| = | - | 60597 10000 | + | 45333289 12500000 | X | + | 4 | ( | 3 8 | − | 13251 10000 | X | ) | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) | + | 269 200 | ( | 9 2 | − | 6733 2500 | X | ) |
| = | - | 60597 10000 | + | 45333289 12500000 | X | + | 4 | × | 3 8 | ( | - | 13251 10000 | ) | − | 4 | × | 13251 10000 | X | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) |
| = | - | 60597 10000 | + | 45333289 12500000 | X | + | 3 2 | ( | - | 13251 10000 | ) | − | 13251 2500 | X | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) |
| = | - | 60597 10000 | + | 45333289 12500000 | X | − | 3 2 | × | 13251 10000 | − | 13251 2500 | X | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) |
| = | - | 60597 10000 | + | 45333289 12500000 | X | − | 39753 20000 | − | 13251 2500 | X | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) | + | 269 200 |
| = | - | 160947 20000 | + | 45333289 12500000 | X | − | 13251 2500 | X | ( | - | 13251 10000 | ) | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) | + | 269 200 | ( | 9 2 | − | 6733 2500 | X | ) |
| = | - | 160947 20000 | + | 45333289 12500000 | X | + | 13251 2500 | X | × | 13251 10000 | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) | + | 269 200 | ( | 9 2 | − | 6733 2500 | X | ) |
| = | - | 160947 20000 | + | 45333289 12500000 | X | + | 175589001 25000000 | X | − | 4 | ( | - | 6733 5000 | ) | − | 6733 2500 | ( | 3 8 | − | 269 200 | X | ) | + | 269 200 | ( | 9 2 | − | 6733 2500 | X | ) |