147 100 | = | 157 200 | ( | x | x | − | 161 100 | × | 161 100 | ) | × | 2113 5000 | − | 4 125 | ÷ | 2 | × | ( | x | + | 161 100 | ) |
| 方程右边 = | 331741 1000000 | ( | x | x | − | 161 100 | × | 161 100 | ) | − | 2 125 | ( | x | + | 161 100 | ) |
147 100 | = | 331741 1000000 | ( | x | x | − | 161 100 | × | 161 100 | ) | − | 2 125 | ( | x | + | 161 100 | ) |
| 方程右边 = | 331741 1000000 | x | x | − | 331741 1000000 | × | 161 100 | × | 161 100 | − | 2 125 | ( | x | + | 161 100 | ) |
| = | 331741 1000000 | x | x | − | 8599058461 10000000000 | − | 2 125 | ( | x | + | 161 100 | ) |
| = | 331741 1000000 | x | x | − | 8599058461 10000000000 | − | 2 125 | x | − | 2 125 | × | 161 100 |
| = | 331741 1000000 | x | x | − | 8599058461 10000000000 | − | 2 125 | x | − | 161 6250 |