201 250 | = | 5 2 | ( | ( | 2 | − | x | ) | ÷ | ( | 4 | + | x | ) | ) |
201 250 | = | 5 2 | ( | 2 | − | x | ) | ÷ | ( | 4 | + | x | ) |
| 方程两边同时乘以: | ( | 4 | + | x | ) |
201 250 | ( | 4 | + | x | ) | = | 5 2 | ( | 2 | − | x | ) |
201 250 | × | 4 | + | 201 250 | x | = | 5 2 | ( | 2 | − | x | ) |
201 250 | × | 4 | + | 201 250 | x | = | 5 2 | × | 2 | − | 5 2 | x |
402 125 | + | 201 250 | x | = | 5 | − | 5 2 | x |
201 250 | x | + | 5 2 | x | = | 5 | − | 402 125 |
413 125 | x | = | 5 | − | 402 125 |
413 125 | x | = | 223 125 |
| x | = | 223 125 | ÷ | 413 125 |
| = | 223 125 | × | 125 413 |
| = | 223 | × | 1 413 |
| x | = | 223 413 |
| x | = | 0.539952 |