33 1000 | × | 1 2 | ÷ | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | = | 33 1000 | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ÷ | ( | 1 | + | ( | 1 4 | + | 33 1000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ) |
| 方程两边同时乘以: | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | , | ( | 1 | + | ( | 1 4 | + | 33 1000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ) |
33 1000 | × | 1 2 | ( | 1 | + | ( | 1 4 | + | 33 1000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ) | = | 33 1000 | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 1000 | × | 1 2 | × | 1 | + | 33 1000 | × | 1 2 | ( | 1 4 | + | 33 1000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 1000 | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 1000 | × | 1 2 | × | 1 | + | 33 1000 | × | 1 2 | ( | 1 4 | + | 33 1000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 1000 | × | 1 2 | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | + | 33 1000 | × | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | × | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 2000 | + | 33 2000 | ( | 1 4 | + | 33 1000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 2000 | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 2000 | + | 33 2000 | × | 1 4 | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | + | 33 2000 | × | 33 1000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | × | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 2000 | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 2000 | + | 33 2000 | × | 1 4 | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | + | 33 2000 | × | 33 1000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | × | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 2000 | × | 1 | + | 33 2000 | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 2000 | + | 33 8000 | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 2000 | + | 33 4000 | ( | 1 20 | + | 33 1000 | x | ) | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 2000 | + | 33 8000 | × | 1 2 | + | 33 8000 | × | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 2000 | + | 33 4000 | ( | 1 20 | + | 33 1000 | x | ) | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 2000 | + | 33 8000 | × | 1 2 | + | 33 8000 | × | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 2000 | + | 33 4000 | × | 1 20 | + | 33 4000 | × | 33 1000 | x | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
33 2000 | + | 33 16000 | + | 1089 8000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 33 2000 | + | 33 80000 | + | 1089 4000000 | x | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
297 16000 | + | 1089 8000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 1353 80000 | + | 1089 4000000 | x | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
297 16000 | + | 1089 8000000 | x | − | 1089 8000000 | × | 1 5 | ÷ | 33 1000 | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 1353 80000 | + | 1089 4000000 | x | + | 1089 1000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
297 16000 | + | 1089 8000000 | x | − | 1089 8000000 | × | 1 5 | ÷ | 33 1000 | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 1353 80000 | + | 1089 4000000 | x | + | 1089 1000000 | x | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | − | 1089 1000000 | × | 1 5 | ÷ | 33 1000 | × | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
297 16000 | + | 1089 8000000 | x | − | 33 40000 | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 1353 80000 | + | 1089 4000000 | x | + | 1089 1000000 | x | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | − | 33 5000 | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
1419 80000 | + | 1089 8000000 | x | + | 1089 4000000 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 1353 80000 | + | 1089 4000000 | x | + | 1089 1000000 | x | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | − | 33 5000 | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
1419 80000 | + | 1089 8000000 | x | + | 1089 4000000 | x | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | − | 1089 4000000 | × | 1 5 | ÷ | 33 1000 | × | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 1353 80000 | + | 1089 4000000 | x | + | 1089 1000000 | x | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) | − | 33 5000 | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
1419 80000 | + | 1089 8000000 | x | + | 1089 4000000 | x | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | − | 1089 4000000 | × | 1 5 | ÷ | 33 1000 | × | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 1353 80000 | + | 1089 4000000 | x | + | 1089 1000000 | x | × | 1 | + | 1089 1000000 | x | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | − | 33 5000 | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
1419 80000 | + | 1089 8000000 | x | + | 1089 4000000 | x | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | − | 33 20000 | ( | 1 2 | + | 33 500 | ( | x | − | 1 5 | ÷ | 33 1000 | ) | ÷ | 2 | ) | = | 1353 80000 | + | 1089 4000000 | x | + | 1089 1000000 | x | + | 1089 2000000 | x | ( | 1 20 | + | 33 1000 | x | ) | − | 33 5000 | ( | 1 | + | ( | 1 20 | + | 33 1000 | x | ) | × | 1 2 | ) |
| x1= | - | 4300 33 |
| x2= | 200 33 |