| ( | 1 | ÷ | ( | s | + | 1 2 | ) | ) | + | ( | 1 | ÷ | ( | s | + | 1 | ) | ) | = | ( | 1 | ÷ | ( | s | + | 1 20 | ) | ) | + | ( | 1 | ÷ | ( | s | + | 2 | ) | ) | + | ( | 1 | ÷ | s | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) |
| 1 | ÷ | ( | s | + | 1 2 | ) | + | ( | 1 | ÷ | ( | s | + | 1 | ) | ) | = | ( | 1 | ÷ | ( | s | + | 1 20 | ) | ) | + | ( | 1 | ÷ | ( | s | + | 2 | ) | ) | + | ( | 1 | ÷ | s | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) |
| 1 | ÷ | ( | s | + | 1 2 | ) | + | ( | 1 | ÷ | ( | s | + | 1 | ) | ) | = | 1 | ÷ | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | ( | s | + | 2 | ) | ) | + | ( | 1 | ÷ | s | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) |
| Multiply both sides of the equation by: | ( | s | + | 1 2 | ) | , | ( | s | + | 1 20 | ) |
| 1 | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | ( | s | + | 1 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | = | 1 | ( | s | + | 1 2 | ) | + | ( | 1 | ÷ | ( | s | + | 2 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | s | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) |
| 1 | s | + | 1 | × | 1 20 | + | ( | 1 | ÷ | ( | s | + | 1 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | = | 1 | ( | s | + | 1 2 | ) | + | ( | 1 | ÷ | ( | s | + | 2 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | s | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) |
| 1 | s | + | 1 | × | 1 20 | + | ( | 1 | ÷ | ( | s | + | 1 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | = | 1 | s | + | 1 | × | 1 2 | + | ( | 1 | ÷ | ( | s | + | 2 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | s | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) | ( | s | + | 1 2 | ) |
| 1 | s | + | 1 20 | + | ( | 1 | ÷ | ( | s | + | 1 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | = | 1 | s | + | 1 2 | + | ( | 1 | ÷ | ( | s | + | 2 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | s | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) |
| 1 | s | + | 1 20 | + | 1 | ÷ | ( | s | + | 1 | ) | × | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | = | 1 | s | + | 1 2 | + | ( | 1 | ÷ | ( | s | + | 2 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | s | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) |
| 1 | s | + | 1 20 | + | 1 | ÷ | ( | s | + | 1 | ) | × | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | = | 1 | s | + | 1 2 | + | 1 | ÷ | ( | s | + | 2 | ) | × | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | s | ) | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | + | ( | 1 | ÷ | ( | s | + | 1 10 | ) | ) | ( | s | + | 1 2 | ) |
| Multiply both sides of the equation by: | ( | s | + | 1 | ) | , | ( | s | + | 2 | ) |
| 1 | s | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 20 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | ( | s | + | 2 | ) | = | 1 | s | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 2 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | ( | s | + | 1 | ) | + | ( | 1 | ÷ | s | ) |
| 1 | s | s | ( | s | + | 2 | ) | + | 1 | s | × | 1 | ( | s | + | 2 | ) | + | 1 20 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 | = | 1 | s | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 2 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 | ( | s | + | 1 2 | ) | ( | s | + | 1 20 | ) | ( | s | + | 1 | ) | + | ( | 1 | ÷ | s | ) |
| 1 | s | s | ( | s | + | 2 | ) | + | 1 | s | × | 1 | ( | s | + | 2 | ) | + | 1 20 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 | = | 1 | s | s | ( | s | + | 2 | ) | + | 1 | s | × | 1 | ( | s | + | 2 | ) | + | 1 2 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 |
| 1 | s | s | ( | s | + | 2 | ) | + | 1 | s | ( | s | + | 2 | ) | + | 1 20 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 | ( | s | + | 1 2 | ) | = | 1 | s | s | ( | s | + | 2 | ) | + | 1 | s | ( | s | + | 2 | ) | + | 1 2 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 | ( | s | + | 1 2 | ) |
| 1 | s | s | s | + | 1 | s | s | × | 2 | + | 1 | s | ( | s | + | 2 | ) | + | 1 20 | = | 1 | s | s | ( | s | + | 2 | ) | + | 1 | s | ( | s | + | 2 | ) | + | 1 2 | ( | s | + | 1 | ) | ( | s | + | 2 | ) | + | 1 | ( | s | + | 1 2 | ) |
| 1 | s | s | s | + | 1 | s | s | × | 2 | + | 1 | s | ( | s | + | 2 | ) | + | 1 20 | = | 1 | s | s | s | + | 1 | s | s | × | 2 | + | 1 | s | ( | s | + | 2 | ) | + | 1 2 |
| 1 | s | s | s | + | 2 | s | s | + | 1 | s | ( | s | + | 2 | ) | + | 1 20 | ( | s | + | 1 | ) | = | 1 | s | s | s | + | 2 | s | s | + | 1 | s | ( | s | + | 2 | ) | + | 1 2 | ( | s | + | 1 | ) |
| 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 1 | s | = | 1 | s | s | s | + | 2 | s | s | + | 1 | s | ( | s | + | 2 | ) | + | 1 2 | ( | s | + | 1 | ) |
| 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 1 | s | = | 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 1 | s |
| 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 2 | s | = | 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 2 | s |
| 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 2 | s | = | 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 2 | s |
| 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 2 | s | = | 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 2 | s |
| 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 2 | s | = | 1 | s | s | s | + | 2 | s | s | + | 1 | s | s | + | 2 | s |