( | x | ÷ | 113 100 | − | 1991 250 | − | ( | x | ÷ | 113 100 | × | 13 100 | − | 207 200 | ) | × | 3 25 | − | ( | x | ÷ | 113 100 | + | 1991 250 | ) | × | 3 10000 | ) | × | 1 20 | = | 0 |
方程左边 = | x | ÷ | 113 100 | × | 1 20 | − | 1991 250 | × | 1 20 | − | ( | x | ÷ | 113 100 | × | 13 100 | − | 207 200 | ) | × | 3 25 | × | 1 20 | − | ( | x | ÷ | 113 100 | + | 1991 250 | ) | × | 3 10000 | × | 1 20 |
= | x | × | 5 113 | − | 1991 5000 | − | ( | x | ÷ | 113 100 | × | 13 100 | − | 207 200 | ) | × | 3 500 | − | ( | x | ÷ | 113 100 | + | 1991 250 | ) | × | 3 200000 |
= | 5 113 | x | − | 1991 5000 | − | x | ÷ | 113 100 | × | 13 100 | × | 3 500 | + | 207 200 | × | 3 500 | − | ( | x | ÷ | 113 100 | + | 1991 250 | ) | × | 3 200000 |
= | 5 113 | x | − | 1991 5000 | − | x | × | 39 56500 | + | 621 100000 | − | ( | x | ÷ | 113 100 | + | 1991 250 | ) | × | 3 200000 |
= | 2461 56500 | x | − | 39199 100000 | − | ( | x | ÷ | 113 100 | + | 1991 250 | ) | × | 3 200000 |
= | 2461 56500 | x | − | 39199 100000 | − | x | ÷ | 113 100 | × | 3 200000 | − | 1991 250 | × | 3 200000 |
= | 2461 56500 | x | − | 39199 100000 | − | x | × | 3 226000 | − | 5973 50000000 |