| x | = | ( | 50 | + | 50 | ) | × | 22 25 | ÷ | 31 20 | + | 35 | × | 22 25 | ÷ | 9 5 | + | 25 | ÷ | 39 20 | + | 25 | ÷ | 39 20 |
| 方程右边 = | ( | 50 | + | 50 | ) | × | 88 155 | + | 154 9 | + | 500 39 | + | 500 39 |
| = | ( | 50 | + | 50 | ) | × | 88 155 | + | 5002 117 |
| x | = | ( | 50 | + | 50 | ) | × | 88 155 | + | 5002 117 |
| 方程右边 = | 50 | × | 88 155 | + | 50 | × | 88 155 | + | 5002 117 |
| = | 880 31 | + | 880 31 | + | 5002 117 |
| = | 360982 3627 |
| x | = | 360982 3627 |