( | x | − | 107331 1000 | ) | × | 10 | − | 1 | − | 1 | = | 3 |
方程左边 = | ( | x | − | 107331 1000 | ) | × | 10 | − | 2 |
( | x | − | 107331 1000 | ) | × | 10 | − | 2 | = | 3 |
方程左边 = | x | × | 10 | − | 107331 1000 | × | 10 | − | 2 |
= | x | × | 10 | − | 107331 100 | − | 2 |
= | 10 | x | − | 107531 100 |
10 | x | − | 107531 100 | = | 3 |
10 | x | = | 3 | + | 107531 100 |
10 | x | = | 107831 100 |
x | = | 107831 100 | ÷ | 10 |
= | 107831 100 | × | 1 10 |
x | = | 107831 1000 |
x | = | 107.831 |