| ( | 330683 50 | + | 285989 10 | + | 60166 25 | + | 1 100 | K | + | 271197 100 | + | 7 10000 | K | ) | × | 20 100 | = | 0 |
| 方程左边 = | 330683 50 | × | 20 100 | + | 285989 10 | × | 20 100 | + | 60166 25 | × | 20 100 | + | 1 100 | K | × | 20 100 | + | 271197 100 | × | 20 100 | + | 7 10000 |
| = | 330683 250 | + | 285989 50 | + | 60166 125 | + | 1 500 | K | + | 271197 500 | + | 7 50000 | K |
| = | 4033117 500 | + | 107 50000 | K |
4033117 500 | + | 107 50000 | K | = | 0 |
107 50000 | K | = | 0 | − | 4033117 500 |
107 50000 | K | = | - | 4033117 500 |
| K | = | - | 4033117 500 | ÷ | 107 50000 |
| = | - | 4033117 500 | × | 50000 107 |
| = | - | 4033117 | × | 100 107 |
| K | = | - | 403311700 107 |
| K | = | - 3769268.224299 |