| x | = | 1077 1000 | × | 49 5 | × | 93 10 | × | 10 | − | 2 | × | 22 5 | × | 10 | − | 2 | ÷ | ( | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | 2 | ) | × | 3481 5000 |
| 方程两边同时乘以: | ( | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | 2 | ) |
| x | ( | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | 2 | ) | = | 1077 1000 | × | 49 5 | × | 93 10 | × | 10 | ( | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | 2 | ) | − | 2 | × | 22 5 | × | 10 | ( | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | 2 | ) | − | 2 | × | 3481 5000 |
| x | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | x | × | 2 | = | 1077 1000 | × | 49 5 | × | 93 10 | × | 10 | ( | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | 2 | ) | − | 2 | × | 22 5 | × | 10 | ( | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | 2 | ) | − | 2 | × | 3481 5000 |
| x | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | x | × | 2 | = | 1077 1000 | × | 49 5 | × | 93 10 | × | 10 | ( | 4 | × | 392699 125000 | ) | × | 4437 100 | × | 10 | − | 1077 1000 | × | 49 5 | × | 93 10 | × | 10 | × | 2 |