13 500000 | ( | 13 1000000 | − | 13 500000 | x | ) | + | 17 200000 | × | 50 | ( | 17 200000 | x | − | 1 500000 | ) | = | 0 |
方程左边 = | 13 500000 | ( | 13 1000000 | − | 13 500000 | x | ) | + | 17 4000 | ( | 17 200000 | x | − | 1 500000 | ) |
13 500000 | ( | 13 1000000 | − | 13 500000 | x | ) | + | 17 4000 | ( | 17 200000 | x | − | 1 500000 | ) | = | 0 |
方程左边 = | 13 500000 | × | 13 1000000 | − | 13 500000 | × | 13 500000 | x | + | 17 4000 | ( | 17 200000 | x | − | 1 500000 | ) |
x= | 5659 250000 |