( | ( | 5000 | − | 4713 | ) | ÷ | 4713 | ) | ÷ | ( | ( | P | − | 507 | ) | ÷ | 507 | ) | = | - | 2 |
方程两边同时乘以: | ( | ( | P | − | 507 | ) | ÷ | 507 | ) |
( | ( | 5000 | − | 4713 | ) | ÷ | 4713 | ) | = | - | 2 | ( | ( | P | − | 507 | ) | ÷ | 507 | ) |
( | 5000 | − | 4713 | ) | ÷ | 4713 | = | - | 2 | ( | ( | P | − | 507 | ) | ÷ | 507 | ) |
( | 5000 | − | 4713 | ) | ÷ | 4713 | = | - | 2 | ( | P | − | 507 | ) | ÷ | 507 |
( | 5000 | − | 4713 | ) | × | 1 4713 | = | - | 2 507 | ( | P | − | 507 | ) |
5000 | × | 1 4713 | − | 4713 | × | 1 4713 | = | - | 2 507 | ( | P | − | 507 | ) |
5000 | × | 1 4713 | − | 4713 | × | 1 4713 | = | - | 2 507 | P | + | 2 507 | × | 507 |
5000 4713 | − | 1571 1571 | = | - | 2 507 | P | + | 2 |
450877 7404123 | = | - | 2 507 | P | + | 2 |
2 507 | P | = | 2 | − | 450877 7404123 |
2 507 | P | = | 9139 4713 |
P | = | 9139 4713 | ÷ | 2 507 |
= | 9139 4713 | × | 507 2 |
= | 9139 1571 | × | 169 2 |
P | = | 1544491 3142 |
P | = | 491.563017 |