2509 100 | × | 156 25 | + | 327 25 | c | = | ( | 2509 100 | + | c | ) | × | 317 40 |
| 方程左边 = | 97851 625 | + | 327 25 | c |
97851 625 | + | 327 25 | c | = | ( | 2509 100 | + | c | ) | × | 317 40 |
| 方程右边 = | 2509 100 | × | 317 40 | + | c | × | 317 40 |
| = | 795353 4000 | + | c | × | 317 40 |
97851 625 | + | 327 25 | c | = | 795353 4000 | + | 317 40 | c |
327 25 | c | − | 317 40 | c | = | 795353 4000 | − | 97851 625 |
1031 200 | c | = | 795353 4000 | − | 97851 625 |
1031 200 | c | = | 845533 20000 |
| c | = | 845533 20000 | ÷ | 1031 200 |
| = | 845533 20000 | × | 200 1031 |
| = | 845533 100 | × | 1 1031 |
| c | = | 845533 103100 |
| c | = | 8.201096 |