x | − | x | × | 2 25 | − | ( | x | − | ( | x | × | 2 25 | ) | ) | × | 13 100 | = | 1 |
方程左边 = | 23 25 | x | − | ( | x | − | ( | x | × | 2 25 | ) | ) | × | 13 100 |
23 25 | x | − | ( | x | − | ( | x | × | 2 25 | ) | ) | × | 13 100 | = | 1 |
方程左边 = | 23 25 | x | − | x | × | 13 100 | + | ( | x | × | 2 25 | ) | × | 13 100 |
= | 79 100 | x | + | ( | x | × | 2 25 | ) | × | 13 100 |
= | 79 100 | x | + | x | × | 2 25 | × | 13 100 |
= | 79 100 | x | + | x | × | 13 1250 |
= | 2001 2500 | x |
2001 2500 | x | = | 1 |
x | = | 1 | ÷ | 2001 2500 |
= | 1 | × | 2500 2001 |
x | = | 2500 2001 |
x | = | 1.249375 |