x | − | x | × | 1 20 | − | ( | x | + | 17604296 25 | ) | × | 3 10000 | = | 17604296 25 |
方程左边 = | 19 20 | x | − | ( | x | + | 17604296 25 | ) | × | 3 10000 |
19 20 | x | − | ( | x | + | 17604296 25 | ) | × | 3 10000 | = | 17604296 25 |
方程左边 = | 19 20 | x | − | x | × | 3 10000 | − | 17604296 25 | × | 3 10000 |
= | 19 20 | x | − | x | × | 3 10000 | − | 6601611 31250 |
= | 9497 10000 | x | − | 6601611 31250 |
9497 10000 | x | − | 6601611 31250 | = | 17604296 25 |
9497 10000 | x | = | 17604296 25 | + | 6601611 31250 |