| ( | x | − | x | ÷ | 53 50 | × | 3 50 | + | x | ÷ | 53 50 | × | 3 50 | × | 3 25 | + | x | ÷ | 53 50 | × | 1 4 | ) | ÷ | 12663 20 | = | 1 50 |
| 方程左边 = | x | × | 20 12663 | − | x | ÷ | 53 50 | × | 3 50 | × | 20 12663 | + | x | ÷ | 53 50 | × | 3 50 | × | 3 25 | × | 20 12663 | + | x |
| = | x | × | 20 12663 | − | x | × | 20 223713 | + | x | × | 4 372855 | + | x | × | 250 671139 |
| x= | √159589471 √1400000 |