1 4 | + | 33 1000 | ( | U | × | 17 | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | = | 1 |
| 方程左边 = | 1 4 | + | 33 2000 | ( | U | × | 17 | − | 1 5 | ÷ | 33 1000 | ) |
1 4 | + | 33 2000 | ( | U | × | 17 | − | 1 5 | ÷ | 33 1000 | ) | = | 1 |
| 方程左边 = | 1 4 | + | 33 2000 | U | × | 17 | − | 33 2000 | × | 1 5 | ÷ | 33 1000 |
| = | 1 4 | + | 561 2000 | U | − | 1 10 |
| = | 3 20 | + | 561 2000 | U |
3 20 | + | 561 2000 | U | = | 1 |
561 2000 | U | = | 1 | − | 3 20 |
561 2000 | U | = | 17 20 |
| U | = | 17 20 | ÷ | 561 2000 |
| = | 17 20 | × | 2000 561 |
| = | 1 | × | 100 33 |
| U | = | 100 33 |
| U | = | 3.030303 |