( | X | − | 6039 50 | ) | × | 10 | − | 3 5 | − | 3 5 | = | 2 |
方程左边 = | ( | X | − | 6039 50 | ) | × | 10 | − | 6 5 |
( | X | − | 6039 50 | ) | × | 10 | − | 6 5 | = | 2 |
方程左边 = | X | × | 10 | − | 6039 50 | × | 10 | − | 6 5 |
= | X | × | 10 | − | 6039 5 | − | 6 5 |
= | 10 | X | − | 1209 |
10 | X | − | 1209 | = | 2 |
10 | X | = | 2 | + | 1209 |
10 | X | = | 1211 |
X | = | 1211 | ÷ | 10 |
= | 1211 | × | 1 10 |
X | = | 1211 10 |
X | = | 121.1 |