| ( | 3819 50 | − | 0 | ) | ÷ | x | + | ( | 80 | − | 0 | ) | ÷ | x | ÷ | x | + | ( | 338 5 | − | 0 | ) | ÷ | x | ÷ | x | ÷ | x | + | ( | 4451 50 | + | 3 | ) | ÷ | x | ÷ | x | = | 0 |
| 方程两边同时乘以: | x |
| ( | 3819 50 | − | 0 | ) | + | ( | 80 | − | 0 | ) | ÷ | 1 | ÷ | x | × | 1 | + | ( | 338 5 | − | 0 | ) | ÷ | 1 | ÷ | x | ÷ | x | × | 1 | + | ( | 4451 50 | + | 3 | ) | ÷ | 1 | = | 0 |
3819 50 | − | 0 | + | ( | 80 | − | 0 | ) | ÷ | 1 | ÷ | x | × | 1 | + | ( | 338 5 | − | 0 | ) | ÷ | 1 | ÷ | x | ÷ | x | × | 1 | + | ( | 4451 50 | + | 3 | ) | = | 0 |
3819 50 | − | 0 | + | ( | 80 | − | 0 | ) | × | 1 | ÷ | x | + | ( | 338 5 | − | 0 | ) | × | 1 | ÷ | x | ÷ | x | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | x | = | 0 |
3819 50 | + | ( | 80 | − | 0 | ) | × | 1 | ÷ | x | + | ( | 338 5 | − | 0 | ) | × | 1 | ÷ | x | ÷ | x | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | x | ÷ | x | = | 0 |
| 方程两边同时乘以: | x |
3819 50 | x | + | ( | 80 | − | 0 | ) | × | 1 | + | ( | 338 5 | − | 0 | ) | × | 1 | ÷ | 1 | ÷ | x | × | 1 | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | 1 | = | 0 |
3819 50 | x | + | 80 | × | 1 | − | 0 | × | 1 | + | ( | 338 5 | − | 0 | ) | × | 1 | ÷ | 1 | ÷ | x | × | 1 | + | ( | 4451 50 | + | 3 | ) | = | 0 |
3819 50 | x | + | 80 | − | 0 | + | ( | 338 5 | − | 0 | ) | × | 1 | ÷ | x | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | x | ÷ | x | − | 260 | = | 0 |
3819 50 | x | + | 80 | + | ( | 338 5 | − | 0 | ) | × | 1 | ÷ | x | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | x | ÷ | x | − | 260 | x | = | 0 |
| 方程两边同时乘以: | x |
3819 50 | x | x | + | 80 | x | + | ( | 338 5 | − | 0 | ) | × | 1 | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | 1 | ÷ | x | × | 1 | = | 0 |
3819 50 | x | x | + | 80 | x | + | 338 5 | × | 1 | − | 0 | × | 1 | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | 1 | = | 0 |
3819 50 | x | x | + | 80 | x | + | 338 5 | − | 0 | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | x | − | 260 | x | = | 0 |
3819 50 | x | x | + | 80 | x | + | 338 5 | + | ( | 4451 50 | + | 3 | ) | × | 1 | ÷ | x | − | 260 | x | x | = | 0 |
| 方程两边同时乘以: | x |
3819 50 | x | x | x | + | 80 | x | x | + | 338 5 | x | + | ( | 4451 50 | + | 3 | ) | × | 1 | − | 260 | = | 0 |
3819 50 | x | x | x | + | 80 | x | x | + | 338 5 | x | + | 4451 50 | × | 1 | + | 3 | = | 0 |
3819 50 | x | x | x | + | 80 | x | x | + | 338 5 | x | + | 4451 50 | + | 3 | − | 260 | = | 0 |
3819 50 | x | x | x | + | 80 | x | x | + | 338 5 | x | + | 4601 50 | − | 260 | x | = | 0 |