| ( | 16117 200 | − | 209 25 | x | ) | ( | 14203 5 | + | 2671 50 | x | x | − | 11267 10 | x | ) | − | 53297 1000 | × | 53297 1000 | ( | 53297 1000 | − | 639 100 | x | ) | = | 0 |
| 方程左边 = | ( | 16117 200 | − | 209 25 | x | ) | ( | 14203 5 | + | 2671 50 | x | x | − | 11267 10 | x | ) | − | 2840570209 1000000 | ( | 53297 1000 | − | 639 100 | x | ) |
| ( | 16117 200 | − | 209 25 | x | ) | ( | 14203 5 | + | 2671 50 | x | x | − | 11267 10 | x | ) | − | 2840570209 1000000 | ( | 53297 1000 | − | 639 100 | x | ) | = | 0 |
| 方程左边 = | 16117 200 | ( | 14203 5 | + | 2671 50 | x | x | − | 11267 10 | x | ) | − | 209 25 | x | ( | 14203 5 | + | 2671 50 | x | x | − | 11267 10 | x | ) | − | 2840570209 1000000 | ( | 53297 1000 | − | 639 100 | x | ) |
| = | 16117 200 | × | 14203 5 | + | 16117 200 | × | 2671 50 | x | x | − | 16117 200 | × | 11267 10 | x | − | 209 25 | x | ( | 14203 5 | + | 2671 50 | x | x | − | 11267 10 | x | ) |
| = | 228909751 1000 | + | 43048507 10000 | x | x | − | 181590239 2000 | x | − | 209 25 | x | ( | 14203 5 | + | 2671 50 | x | x | − | 11267 10 | x | ) | − | 2840570209 1000000 | ( | 53297 1000 | − | 639 100 | x | ) |
| = | 228909751 1000 | + | 43048507 10000 | x | x | − | 181590239 2000 | x | − | 209 25 | x | × | 14203 5 | − | 209 25 | x | × | 2671 50 |
| = | 228909751 1000 | + | 43048507 10000 | x | x | − | 181590239 2000 | x | − | 2968427 125 | x | − | 558239 1250 | x | x | x |