| ( | 2 | ÷ | 32 | ) | ( | ( | 12 | ÷ | 12 | ) | ÷ | ( | 256 | − | x | ) | ) | = | 4800 |
| 2 | ÷ | 32 | × | ( | ( | 12 | ÷ | 12 | ) | ÷ | ( | 256 | − | x | ) | ) | = | 4800 |
1 16 | ( | ( | 12 | ÷ | 12 | ) | ÷ | ( | 256 | − | x | ) | ) | = | 4800 |
1 16 | ( | 12 | ÷ | 12 | ) | ÷ | ( | 256 | − | x | ) | = | 4800 |
| 方程两边同时乘以: | ( | 256 | − | x | ) |
1 16 | ( | 12 | ÷ | 12 | ) | = | 4800 | ( | 256 | − | x | ) |
1 16 | × | 12 | ÷ | 12 | = | 4800 | ( | 256 | − | x | ) |
1 16 | × | 12 | ÷ | 12 | = | 4800 | × | 256 | − | 4800 | x |
1 16 | = | 1228800 | − | 4800 | x |
| 4800 | x | = | 1228800 | − | 1 16 |
| 4800 | x | = | 19660799 16 |
| x | = | 19660799 16 | ÷ | 4800 |
| = | 19660799 16 | × | 1 4800 |
| x | = | 19660799 76800 |
| x | = | 255.999987 |