421 5000 | ÷ | x | = | 1 | ÷ | ( | 1 | − | x | ) | − | 44031 10000 | ( | x | ÷ | ( | 1 | + | x | ) | ) |
| 方程两边同时乘以: | x | , | ( | 1 | − | x | ) |
421 5000 | ( | 1 | − | x | ) | = | 1 | x | − | 44031 10000 | ( | x | ÷ | ( | 1 | + | x | ) | ) | x | ( | 1 | − | x | ) |
421 5000 | × | 1 | − | 421 5000 | x | = | 1 | x | − | 44031 10000 | ( | x | ÷ | ( | 1 | + | x | ) | ) | x | ( | 1 | − | x | ) |
421 5000 | × | 1 | − | 421 5000 | x | = | 1 | x | − | 44031 10000 | x | ÷ | ( | 1 | + | x | ) | × | x | ( | 1 | − | x | ) |
421 5000 | − | 421 5000 | x | = | 1 | x | − | 44031 10000 | x | ÷ | ( | 1 | + | x | ) | × | x | ( | 1 | − | x | ) |
| 方程两边同时乘以: | ( | 1 | + | x | ) |
421 5000 | ( | 1 | + | x | ) | − | 421 5000 | x | ( | 1 | + | x | ) | = | 1 | x | ( | 1 | + | x | ) | − | 44031 10000 | x | x | ( | 1 | − | x | ) |
421 5000 | × | 1 | + | 421 5000 | x | − | 421 5000 | x | ( | 1 | + | x | ) | = | 1 | x | ( | 1 | + | x | ) | − | 44031 10000 | x | x | ( | 1 | − | x | ) |
421 5000 | × | 1 | + | 421 5000 | x | − | 421 5000 | x | ( | 1 | + | x | ) | = | 1 | x | × | 1 | + | 1 | x | x | − | 44031 10000 | x | x | ( | 1 | − | x | ) |
421 5000 | + | 421 5000 | x | − | 421 5000 | x | ( | 1 | + | x | ) | = | 1 | x | + | 1 | x | x | − | 44031 10000 | x | x | ( | 1 | − | x | ) |
421 5000 | + | 421 5000 | x | − | 421 5000 | x | × | 1 | − | 421 5000 | x | x | = | 1 | x | + | 1 | x | x | − | 44031 10000 | x | x | ( | 1 | − | x | ) |
421 5000 | + | 421 5000 | x | − | 421 5000 | x | × | 1 | − | 421 5000 | x | x | = | 1 | x | + | 1 | x | x | − | 44031 10000 | x | x | × | 1 | + | 44031 10000 | x | x |
421 5000 | + | 421 5000 | x | − | 421 5000 | x | − | 421 5000 | x | x | = | 1 | x | + | 1 | x | x | − | 44031 10000 | x | x | + | 44031 10000 | x | x | x |
421 5000 | + | 0 | x | − | 421 5000 | x | x | = | 1 | x | + | 1 | x | x | − | 44031 10000 | x | x | + | 44031 10000 | x | x | x |