| ( | 1 | − | ( | 7 10 | x | ÷ | ( | 7 10 | x | + | 100 | ) | ) | ) | × | 12 5 | = | ( | 1 | − | ( | 133 250 | x | ÷ | ( | 133 250 | x | + | 100 | ) | ) | ) | × | 83 40 |
| 1 | × | 12 5 | − | ( | 7 10 | x | ÷ | ( | 7 10 | x | + | 100 | ) | ) | × | 12 5 | = | ( | 1 | − | ( | 133 250 | x | ÷ | ( | 133 250 | x | + | 100 | ) | ) | ) | × | 83 40 |
| 1 | × | 12 5 | − | ( | 7 10 | x | ÷ | ( | 7 10 | x | + | 100 | ) | ) | × | 12 5 | = | 1 | × | 83 40 | − | ( | 133 250 | x | ÷ | ( | 133 250 | x | + | 100 | ) | ) | × | 83 40 |
12 5 | − | ( | 7 10 | x | ÷ | ( | 7 10 | x | + | 100 | ) | ) | × | 12 5 | = | 83 40 | − | ( | 133 250 | x | ÷ | ( | 133 250 | x | + | 100 | ) | ) | × | 83 40 |
12 5 | − | 7 10 | x | ÷ | ( | 7 10 | x | + | 100 | ) | × | 12 5 | = | 83 40 | − | ( | 133 250 | x | ÷ | ( | 133 250 | x | + | 100 | ) | ) | × | 83 40 |
12 5 | − | 7 10 | x | ÷ | ( | 7 10 | x | + | 100 | ) | × | 12 5 | = | 83 40 | − | 133 250 | x | ÷ | ( | 133 250 | x | + | 100 | ) | × | 83 40 |
12 5 | − | 42 25 | x | ÷ | ( | 7 10 | x | + | 100 | ) | = | 83 40 | − | 11039 10000 | x | ÷ | ( | 133 250 | x | + | 100 | ) |
| 方程两边同时乘以: | ( | 7 10 | x | + | 100 | ) | , | ( | 133 250 | x | + | 100 | ) |
12 5 | ( | 7 10 | x | + | 100 | ) | ( | 133 250 | x | + | 100 | ) | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 83 40 | ( | 7 10 | x | + | 100 | ) | ( | 133 250 | x | + | 100 | ) | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
12 5 | × | 7 10 | x | ( | 133 250 | x | + | 100 | ) | + | 12 5 | × | 100 | ( | 133 250 | x | + | 100 | ) | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 83 40 | ( | 7 10 | x | + | 100 | ) | ( | 133 250 | x | + | 100 | ) | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
12 5 | × | 7 10 | x | ( | 133 250 | x | + | 100 | ) | + | 12 5 | × | 100 | ( | 133 250 | x | + | 100 | ) | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 83 40 | × | 7 10 | x | ( | 133 250 | x | + | 100 | ) | + | 83 40 | × | 100 | ( | 133 250 | x | + | 100 | ) | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
42 25 | x | ( | 133 250 | x | + | 100 | ) | + | 240 | ( | 133 250 | x | + | 100 | ) | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 581 400 | x | ( | 133 250 | x | + | 100 | ) | + | 415 2 | ( | 133 250 | x | + | 100 | ) | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
42 25 | x | × | 133 250 | x | + | 42 25 | x | × | 100 | + | 240 | ( | 133 250 | x | + | 100 | ) | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 581 400 | x | ( | 133 250 | x | + | 100 | ) | + | 415 2 | ( | 133 250 | x | + | 100 | ) | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
42 25 | x | × | 133 250 | x | + | 42 25 | x | × | 100 | + | 240 | ( | 133 250 | x | + | 100 | ) | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 581 400 | x | × | 133 250 | x | + | 581 400 | x | × | 100 | + | 415 2 | ( | 133 250 | x | + | 100 | ) | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
2793 3125 | x | x | + | 168 | x | + | 240 | ( | 133 250 | x | + | 100 | ) | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 77273 100000 | x | x | + | 581 4 | x | + | 415 2 | ( | 133 250 | x | + | 100 | ) | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
2793 3125 | x | x | + | 168 | x | + | 240 | × | 133 250 | x | + | 240 | × | 100 | − | 42 25 | x | = | 77273 100000 | x | x | + | 581 4 | x | + | 415 2 | ( | 133 250 | x | + | 100 | ) | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
2793 3125 | x | x | + | 168 | x | + | 240 | × | 133 250 | x | + | 240 | × | 100 | − | 42 25 | x | = | 77273 100000 | x | x | + | 581 4 | x | + | 415 2 | × | 133 250 | x | + | 415 2 | × | 100 | − | 11039 10000 | x |
2793 3125 | x | x | + | 168 | x | + | 3192 25 | x | + | 24000 | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 77273 100000 | x | x | + | 581 4 | x | + | 11039 100 | x | + | 20750 | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
2793 3125 | x | x | + | 7392 25 | x | + | 24000 | − | 42 25 | x | ( | 133 250 | x | + | 100 | ) | = | 77273 100000 | x | x | + | 6391 25 | x | + | 20750 | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
2793 3125 | x | x | + | 7392 25 | x | + | 24000 | − | 42 25 | x | × | 133 250 | x | − | 42 25 | x | = | 77273 100000 | x | x | + | 6391 25 | x | + | 20750 | − | 11039 10000 | x | ( | 7 10 | x | + | 100 | ) |
2793 3125 | x | x | + | 7392 25 | x | + | 24000 | − | 42 25 | x | × | 133 250 | x | − | 42 25 | x | = | 77273 100000 | x | x | + | 6391 25 | x | + | 20750 | − | 11039 10000 | x | × | 7 10 | x | − | 11039 10000 | x |
2793 3125 | x | x | + | 7392 25 | x | + | 24000 | − | 2793 3125 | x | x | − | 168 | x | = | 77273 100000 | x | x | + | 6391 25 | x | + | 20750 | − | 77273 100000 | x | x | − | 11039 100 | x |
2793 3125 | x | x | + | 3192 25 | x | + | 24000 | − | 2793 3125 | x | x | = | 77273 100000 | x | x | + | 581 4 | x | + | 20750 | − | 77273 100000 | x | x |