145 2 | − | 47 25000 | ( | 269 5 | − | 22 | ) | ( | 269 5 | − | 22 | ) | ÷ | 4 | = | 51 | + | x | × | 269 5 | × | 269 5 |
| 方程左边 = | 145 2 | − | 47 100000 | ( | 269 5 | − | 22 | ) | ( | 269 5 | − | 22 | ) |
145 2 | − | 47 100000 | ( | 269 5 | − | 22 | ) | ( | 269 5 | − | 22 | ) | = | 51 | + | x | × | 269 5 | × | 269 5 |
| 方程左边 = | 145 2 | − | 47 100000 | × | 269 5 | ( | 269 5 | − | 22 | ) | + | 47 100000 | × | 22 | ( | 269 5 | − | 22 | ) |
| = | 145 2 | − | 12643 500000 | ( | 269 5 | − | 22 | ) | + | 517 50000 | ( | 269 5 | − | 22 | ) |
| = | 145 2 | − | 12643 500000 | × | 269 5 | + | 12643 500000 | × | 22 | + | 517 50000 | ( | 269 5 | − | 22 | ) |
| = | 145 2 | − | 3400967 2500000 | + | 139073 250000 | + | 517 50000 | ( | 269 5 | − | 22 | ) |