1 10 | × | 33 200 | × | 33 100 | + | 1 2 | × | 23 200 | × | 23 100 | + | 2 5 | ( | - | 37 200 | ) | ( | - | 37 100 | ) | = | x |
方程左边 = | 1089 200000 | + | 529 40000 | + | 2 5 | ( | - | 37 200 | ) | ( | - | 37 100 | ) |
= | 1867 100000 | + | 2 5 | ( | - | 37 200 | ) | ( | - | 37 100 | ) |
1867 100000 | + | 2 5 | ( | - | 37 200 | ) | ( | - | 37 100 | ) | = | x |
方程左边 = | 1867 100000 | − | 2 5 | × | 37 200 | ( | - | 37 100 | ) |
= | 1867 100000 | − | 37 500 | ( | - | 37 100 | ) |
= | 1867 100000 | + | 37 500 | × | 37 100 |
= | 1867 100000 | + | 1369 50000 |
= | 921 20000 |
921 20000 | = | x |