51151 2000 | × | 4481 5000 | ( | 10421 2000 | + | 1 10 | ) | ÷ | 9481 5000 | × | ( | x | + | 1 10 | ) | ( | 100 | − | 1081 100 | − | 49 25 | ) | ÷ | 100 | × | 1 | ÷ | ( | 1 | + | 31 100 | × | 49 25 | ) | + | 207 100 | ( | x | + | 1 10 | ) | ÷ | 7 5 | = | 0 |
| 方程两边同时乘以: | ( | 1 | + | 31 100 | × | 49 25 | ) |
51151 2000 | × | 4481 5000 | ( | 10421 2000 | + | 1 10 | ) | ÷ | 9481 5000 | × | ( | x | + | 1 10 | ) | ( | 100 | − | 1081 100 | − | 49 25 | ) | ÷ | 100 | × | 1 | + | 207 100 | ( | x | + | 1 10 | ) | ÷ | 7 5 | × | 4053 40000 | = | 0 |
51151 2000 | × | 4481 5000 | × | 10421 2000 | ÷ | 9481 5000 | × | ( | x | + | 1 10 | ) | ( | 100 | − | 1081 100 | − | 49 25 | ) | ÷ | 100 | × | 1 | + | 51151 2000 | × | 4481 5000 | × | 1 10 | ÷ | 9481 5000 | = | 0 |
| x= | - | 1 10 |