| ( | 1950 | − | 43733 250 | x | ) | ( | 950 | − | 43733 250 | x | ) | = | 950 | × | 950 |
| 方程左边 = | 1950 | ( | 950 | − | 43733 250 | x | ) | − | 43733 250 | x | ( | 950 | − | 43733 250 | x | ) |
| = | 1950 | × | 950 | − | 1950 | × | 43733 250 | x | − | 43733 250 | x | ( | 950 | − | 43733 250 | x | ) |
| = | 1852500 | − | 1705587 5 | x | − | 43733 250 | x | ( | 950 | − | 43733 250 | x | ) |
| = | 1852500 | − | 1705587 5 | x | − | 43733 250 | x | × | 950 | + | 43733 250 | x | × | 43733 250 | x |
| = | 1852500 | − | 1705587 5 | x | − | 830927 5 | x | + | 1912575289 62500 | x | x |
| = | 1852500 | − | 2536514 5 | x | + | 1912575289 62500 | x | x |
| 1852500 | − | 2536514 5 | x | + | 1912575289 62500 | x | x | = | 950 | × | 950 |
| 方程右边 = | 902500 |
| 1852500 | − | 2536514 5 | x | + | 1912575289 62500 | x | x | = | 902500 |