( | x | − | 119713 1000 | ) | × | 10 | − | 1 | − | 1 | = | 1 |
方程左边 = | ( | x | − | 119713 1000 | ) | × | 10 | − | 2 |
( | x | − | 119713 1000 | ) | × | 10 | − | 2 | = | 1 |
方程左边 = | x | × | 10 | − | 119713 1000 | × | 10 | − | 2 |
= | x | × | 10 | − | 119713 100 | − | 2 |
= | 10 | x | − | 119913 100 |
10 | x | − | 119913 100 | = | 1 |
10 | x | = | 1 | + | 119913 100 |
10 | x | = | 120013 100 |
x | = | 120013 100 | ÷ | 10 |
= | 120013 100 | × | 1 10 |
x | = | 120013 1000 |
x | = | 120.013 |