| 325 | ÷ | 3100 | + | 71 | x | ÷ | 29 | ÷ | 2610 | + | x | ÷ | 2580 | + | 195 | ÷ | 1000 | + | 1 100 | = | 1 |
| 方程左边 = | 13 124 | + | 71 75690 | x | + | x | × | 1 2580 | + | 39 200 | + | 1 100 |
| = | 1921 6200 | + | 8629 6509340 | x |
1921 6200 | + | 8629 6509340 | x | = | 1 |
8629 6509340 | x | = | 1 | − | 1921 6200 |
8629 6509340 | x | = | 4279 6200 |
| x | = | 4279 6200 | ÷ | 8629 6509340 |
| = | 4279 6200 | × | 6509340 8629 |
| = | 4279 310 | × | 325467 8629 |
| x | = | 1392673293 2674990 |
| x | = | 520.627476 |