327 25 | c | = | ( | 33 10 | + | c | ) | × | 79 10 |
| 方程右边 = | 33 10 | × | 79 10 | + | c | × | 79 10 |
| = | 2607 100 | + | c | × | 79 10 |
327 25 | c | = | 2607 100 | + | 79 10 | c |
327 25 | c | − | 79 10 | c | = | 2607 100 |
259 50 | c | = | 2607 100 |
| c | = | 2607 100 | ÷ | 259 50 |
| = | 2607 100 | × | 50 259 |
| = | 2607 2 | × | 1 259 |
| c | = | 2607 518 |
| c | = | 5.032819 |