| x | ÷ | 101 100 | × | 1 100 | × | 28 25 | + | ( | 200000 | − | x | ) | = | 200000 | ÷ | 53 50 | × | 3 50 | × | 28 25 |
| 方程左边 = | x | × | 28 2525 | + | ( | 200000 | − | x | ) |
28 2525 | x | + | ( | 200000 | − | x | ) | = | 200000 | ÷ | 53 50 | × | 3 50 | × | 28 25 |
| 方程左边 = | 28 2525 | x | + | 200000 | − | x |
| = | - | 2497 2525 | x | + | 200000 |
| - | 2497 2525 | x | + | 200000 | = | 200000 | ÷ | 53 50 | × | 3 50 | × | 28 25 |
| 方程右边 = | 672000 53 |
| - | 2497 2525 | x | + | 200000 | = | 672000 53 |
| - | 2497 2525 | x | = | 672000 53 | − | 200000 |
| - | 2497 2525 | x | = | - | 9928000 53 |
9928000 53 | = | 2497 2525 | x |
2497 2525 | x | = | 9928000 53 |
| x | = | 9928000 53 | ÷ | 2497 2525 |
| = | 9928000 53 | × | 2525 2497 |
| x | = | 25068200000 132341 |