| ( | 1561 2500 | x | ) | ÷ | 12817 100 | + | 799 100 | ( | - | 14 5 | ) | + | ( | 2000 | × | 21 5 | + | 45881 25 | ) | × | 23469 10000 | = | 0 |
| 方程左边 = | 1561 2500 | x | × | 100 12817 | + | 799 100 | ( | - | 14 5 | ) | + | ( | 2000 | × | 21 5 | + | 45881 25 | ) | × | 23469 10000 |
| = | 223 45775 | x | + | 799 100 | ( | - | 14 5 | ) | + | ( | 2000 | × | 21 5 | + | 45881 25 | ) | × | 23469 10000 |
| = | 223 45775 | x | − | 799 100 | × | 14 5 | + | ( | 2000 | × | 21 5 | + | 45881 25 | ) | × | 23469 10000 |
| = | 223 45775 | x | − | 5593 250 | + | ( | 2000 | × | 21 5 | + | 45881 25 | ) | × | 23469 10000 |
| = | 223 45775 | x | − | 5593 250 | + | 2000 | × | 21 5 | × | 23469 10000 | + | 45881 25 | × | 23469 10000 |
| = | 223 45775 | x | − | 5593 250 | + | 492849 25 | + | 1076781189 250000 |