| ( | 1 | ÷ | x | − | 1 | ÷ | 833 1000 | ) | × | 1 10 | + | ( | 1 | ÷ | x | − | 1 | ÷ | 8333 100 | ) | × | 1 2 | + | ( | 1 | ÷ | x | − | 1 | ÷ | 33333 100 | ) | × | 2 5 | = | 1 |
| 1 | ÷ | x | × | 1 10 | − | 1 | ÷ | 833 1000 | × | 1 10 | + | ( | 1 | ÷ | x | − | 1 | ÷ | 8333 100 | ) | × | 1 2 | + | ( | 1 | ÷ | x | − | 1 | ÷ | 33333 100 | ) | × | 2 5 | = | 1 |
1 10 | ÷ | x | − | 100 833 | + | ( | 1 | ÷ | x | − | 1 | ÷ | 8333 100 | ) | × | 1 2 | + | ( | 1 | ÷ | x | − | 1 | ÷ | 33333 100 | ) | × | 2 5 | = | 1 |
| 方程两边同时乘以: | x |
1 10 | − | 100 833 | x | + | ( | 1 | ÷ | x | − | 1 | ÷ | 8333 100 | ) | × | 1 2 | x | + | ( | 1 | ÷ | x | − | 1 | ÷ | 33333 100 | ) | × | 2 5 | x | = | 1 | x |
1 10 | − | 100 833 | x | + | 1 | ÷ | x | × | 1 2 | x | − | 1 | ÷ | 8333 100 | × | 1 2 | x | + | ( | 1 | ÷ | x | − | 1 | ÷ | 33333 100 | ) | = | 1 | x |
1 10 | − | 100 833 | x | + | 1 2 | ÷ | x | × | x | − | 50 8333 | x | + | ( | 1 | ÷ | x | − | 1 | ÷ | 33333 100 | ) | × | 2 5 | x | = | 1 | x |
1 10 | − | 874950 6941389 | x | + | 1 2 | ÷ | x | × | x | + | ( | 1 | ÷ | x | − | 1 | ÷ | 33333 100 | ) | × | 2 5 | x | = | 1 | x |
1 10 | − | 874950 6941389 | x | + | 1 2 | ÷ | 1 | × | 1 | + | 1 | ÷ | x | × | 2 5 | x | − | 1 | ÷ | 33333 100 | = | 1 | x |
1 10 | − | 874950 6941389 | x | + | 1 2 | + | 2 5 | ÷ | x | × | x | − | 40 33333 | x | = | 1 | x |