327 25 | c | = | ( | 33 10 | + | c | ) | × | 198 25 |
| 方程右边 = | 33 10 | × | 198 25 | + | c | × | 198 25 |
| = | 3267 125 | + | c | × | 198 25 |
327 25 | c | = | 3267 125 | + | 198 25 | c |
327 25 | c | − | 198 25 | c | = | 3267 125 |
129 25 | c | = | 3267 125 |
| c | = | 3267 125 | ÷ | 129 25 |
| = | 3267 125 | × | 25 129 |
| = | 1089 5 | × | 1 43 |
| c | = | 1089 215 |
| c | = | 5.065116 |