( | x | − | 1 | ) | ÷ | ( | x | + | 1 | ) | + | ( | x | − | 4 | ) | ÷ | ( | x | + | 4 | ) | = | ( | x | − | 2 | ) | ÷ | ( | x | + | 2 | ) | + | ( | x | − | 3 | ) | ÷ | ( | x | + | 3 | ) |
方程两边同时乘以: | ( | x | + | 1 | ) | , | ( | x | + | 2 | ) |
( | x | − | 1 | ) | ( | x | + | 2 | ) | + | ( | x | − | 4 | ) | ÷ | ( | x | + | 4 | ) | × | ( | x | + | 1 | ) | ( | x | + | 2 | ) | = | ( | x | − | 2 | ) | ( | x | + | 1 | ) | + | ( | x | − | 3 | ) | ÷ | ( | x | + | 3 | ) | × | ( | x | + | 1 | ) | ( | x | + | 2 | ) |
x | ( | x | + | 2 | ) | − | 1 | ( | x | + | 2 | ) | + | ( | x | − | 4 | ) | ÷ | ( | x | + | 4 | ) | × | ( | x | + | 1 | ) | ( | x | + | 2 | ) | = | ( | x | − | 2 | ) | ( | x | + | 1 | ) | + | ( | x | − | 3 | ) | ÷ | ( | x | + | 3 | ) | × | ( | x | + | 1 | ) | ( | x | + | 2 | ) |
x | ( | x | + | 2 | ) | − | 1 | ( | x | + | 2 | ) | + | ( | x | − | 4 | ) | ÷ | ( | x | + | 4 | ) | × | ( | x | + | 1 | ) | ( | x | + | 2 | ) | = | x | ( | x | + | 1 | ) | − | 2 | ( | x | + | 1 | ) | + | ( | x | − | 3 | ) | ÷ | ( | x | + | 3 | ) | × | ( | x | + | 1 | ) | ( | x | + | 2 | ) |
方程两边同时乘以: | ( | x | + | 4 | ) | , | ( | x | + | 3 | ) |
x | ( | x | + | 2 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) | − | 1 | ( | x | + | 2 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | ( | x | − | 4 | ) | ( | x | + | 1 | ) | ( | x | + | 2 | ) | ( | x | + | 3 | ) | = | x | ( | x | + | 1 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) | − | 2 | ( | x | + | 1 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | ( | x | − | 3 | ) | ( | x | + | 1 | ) | ( | x | + | 2 | ) | ( | x | + | 4 | ) |
x | x | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | x | × | 2 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | − | 1 | ( | x | + | 2 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) | = | x | ( | x | + | 1 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) | − | 2 | ( | x | + | 1 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | ( | x | − | 3 | ) | ( | x | + | 1 | ) | ( | x | + | 2 | ) | ( | x | + | 4 | ) |
x | x | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | x | × | 2 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | − | 1 | ( | x | + | 2 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) | = | x | x | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | x | × | 1 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | − | 2 | ( | x | + | 1 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) |
x | x | x | ( | x | + | 3 | ) | + | x | x | × | 4 | ( | x | + | 3 | ) | + | x | × | 2 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | = | x | x | ( | x | + | 4 | ) | ( | x | + | 3 | ) | + | x | × | 1 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | − | 2 | ( | x | + | 1 | ) | ( | x | + | 4 | ) | ( | x | + | 3 | ) |
x | x | x | ( | x | + | 3 | ) | + | x | x | × | 4 | ( | x | + | 3 | ) | + | x | × | 2 | ( | x | + | 4 | ) | ( | x | + | 3 | ) | = | x | x | x | ( | x | + | 3 | ) | + | x | x | × | 4 | ( | x | + | 3 | ) | + | x | × | 1 | ( | x | + | 4 | ) | ( | x | + | 3 | ) |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | ( | x | + | 3 | ) | = | x | x | x | ( | x | + | 3 | ) | + | x | x | × | 4 | ( | x | + | 3 | ) | + | x | × | 1 | ( | x | + | 4 | ) | ( | x | + | 3 | ) |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | ( | x | + | 3 | ) | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | ( | x | + | 3 | ) |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | ( | x | + | 3 | ) |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x | = | x | x | x | x | + | x | x | x | × | 3 | + | x | x | × | 4 | x |
x1= | - | 5 2 |
x2=0 |