| ( | x | − | 20364111 50 | − | 962451 50 | ) | × | 9097 10000 | + | 20364111 50 | + | 962451 50 | = | 69215401 50 |
| 方程左边 = | ( | x | − | 20364111 50 | − | 962451 50 | ) | × | 9097 10000 | + | 10663281 25 |
| ( | x | − | 20364111 50 | − | 962451 50 | ) | × | 9097 10000 | + | 10663281 25 | = | 69215401 50 |
| 方程左边 = | x | × | 9097 10000 | − | 20364111 50 | × | 9097 10000 | − | 962451 50 | × | 9097 10000 | + | 10663281 25 |