450207 1000000 | ÷ | ( | 1 | − | 450207 1000000 | ) | × | 2653927813 1000000000 | − | x | ÷ | ( | 1 | − | x | ) | × | 2653927813 1000000000 | = | - | 51 2000 |
| 方程两边同时乘以: | ( | 1 | − | 450207 1000000 | ) |
450207 1000000 | × | 2653927813 1000000000 | − | x | ÷ | ( | 1 | − | x | ) | × | 2653927813 1000000000 | ( | 1 | − | 450207 1000000 | ) | = | - | 51 2000 | ( | 1 | − | 450207 1000000 | ) |
450207 1000000 | × | 2653927813 1000000000 | − | x | ÷ | ( | 1 | − | x | ) | × | 2653927813 1000000000 | × | 1 | + | x | ÷ | ( | 1 | − | x | ) | × | 2653927813 1000000000 | × | 450207 1000000 | = | - | 51 2000 | ( | 1 | − | 450207 1000000 | ) |
450207 1000000 | × | 2653927813 1000000000 | − | x | ÷ | ( | 1 | − | x | ) | × | 2653927813 1000000000 | × | 1 | + | x | ÷ | ( | 1 | − | x | ) | × | 2653927813 1000000000 | × | 450207 1000000 | = | - | 51 2000 | × | 1 | + | 51 2000 | × | 450207 1000000 |