( | 800 | + | x | − | 1216893 100 | ) | x | ( | 1 | − | 25 100 | ) | + | 104263 20 | = | 281709 50 |
方程左边 = | 800 | x | ( | 1 | − | 25 100 | ) | + | x | x | ( | 1 | − | 25 100 | ) | − | 1216893 100 | x | ( | 1 | − | 25 100 | ) | + | 104263 20 |
= | 800 | x | × | 1 | − | 800 | x | × | 25 100 | + | x | x | ( | 1 | − | 25 100 | ) | − | 1216893 100 | x | ( | 1 | − | 25 100 | ) |
= | 800 | x | − | 200 | x | + | x | x | ( | 1 | − | 25 100 | ) | − | 1216893 100 | x | ( | 1 | − | 25 100 | ) | + | 104263 20 |
= | 600 | x | + | x | x | ( | 1 | − | 25 100 | ) | − | 1216893 100 | x | ( | 1 | − | 25 100 | ) | + | 104263 20 |
= | 600 | x | + | x | x | × | 1 | − | x | x | × | 25 100 | − | 1216893 100 | x | ( | 1 | − | 25 100 | ) | + | 104263 20 |
= | 600 | x | + | x | x | × | 1 | − | x | x | × | 25 100 | − | 1216893 100 | x | × | 1 | + | 1216893 100 |
= | 600 | x | + | x | x | × | 1 | − | x | x | × | 25 100 | − | 1216893 100 | x | + | 1216893 400 | x |
= | - | 3410679 400 | x | + | x | x | × | 1 | − | x | x | × | 25 100 | + | 104263 20 |
- | 3410679 400 | x | + | x | x | × | 1 | − | x | x | × | 25 100 | + | 104263 20 | = | 281709 50 |