20267 200 | + | 157 200 | a | − | 2637 125 | × | 2 | = | 226639 50 |
| 方程左边 = | 20267 200 | + | 157 200 | a | − | 5274 125 |
| = | 59143 1000 | + | 157 200 | a |
59143 1000 | + | 157 200 | a | = | 226639 50 |
157 200 | a | = | 226639 50 | − | 59143 1000 |
157 200 | a | = | 4473637 1000 |
| a | = | 4473637 1000 | ÷ | 157 200 |
| = | 4473637 1000 | × | 200 157 |
| = | 4473637 5 | × | 1 157 |
| a | = | 4473637 785 |
| a | = | 5698.900637 |