24797 125 | + | 43 50 | a | − | 3899 50 | × | 2 | = | 75581 10 |
| 方程左边 = | 24797 125 | + | 43 50 | a | − | 3899 25 |
| = | 5302 125 | + | 43 50 | a |
5302 125 | + | 43 50 | a | = | 75581 10 |
43 50 | a | = | 75581 10 | − | 5302 125 |
43 50 | a | = | 1878921 250 |
| a | = | 1878921 250 | ÷ | 43 50 |
| = | 1878921 250 | × | 50 43 |
| = | 1878921 5 | × | 1 43 |
| a | = | 1878921 215 |
| a | = | 8739.167442 |