| 6 | = | ( | 4157 500 | × | 5863 20 | ÷ | ( | x | − | 81 20 | ) | ) | − | ( | 2305263 50 | ÷ | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | ) |
| 6 | = | 4157 500 | × | 5863 20 | ÷ | ( | x | − | 81 20 | ) | − | ( | 2305263 50 | ÷ | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | ) |
| 6 | = | 24372491 10000 | ÷ | ( | x | − | 81 20 | ) | − | ( | 2305263 50 | ÷ | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | ) |
| 方程两边同时乘以: | ( | x | − | 81 20 | ) |
| 6 | ( | x | − | 81 20 | ) | = | 24372491 10000 | − | ( | 2305263 50 | ÷ | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | ) | ( | x | − | 81 20 | ) |
| 6 | x | − | 6 | × | 81 20 | = | 24372491 10000 | − | ( | 2305263 50 | ÷ | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | ) | ( | x | − | 81 20 | ) |
| 6 | x | − | 6 | × | 81 20 | = | 24372491 10000 | − | 2305263 50 | ÷ | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | × | ( | x | − | 81 20 | ) |
| 6 | x | − | 243 10 | = | 24372491 10000 | − | 2305263 50 | ÷ | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | × | ( | x | − | 81 20 | ) |
| 方程两边同时乘以: | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) |
| 6 | x | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | − | 243 10 | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | = | 24372491 10000 | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | − | 2305263 50 | ( | x | − | 81 20 | ) |
| 6 | x | x | ( | x | + | 81 20 | ) | + | 6 | x | × | 81 20 | ( | x | − | 81 20 | ) | − | 243 10 | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | = | 24372491 10000 | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | − | 2305263 50 | ( | x | − | 81 20 | ) |
| 6 | x | x | ( | x | + | 81 20 | ) | + | 6 | x | × | 81 20 | ( | x | − | 81 20 | ) | − | 243 10 | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | = | 24372491 10000 | x | ( | x | + | 81 20 | ) | + | 24372491 10000 | × | 81 20 | ( | x | − | 81 20 | ) | − | 2305263 50 | ( | x | − | 81 20 | ) |
| 6 | x | x | ( | x | + | 81 20 | ) | + | 243 10 | x | ( | x | − | 81 20 | ) | − | 243 10 | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | = | 24372491 10000 | x | ( | x | + | 81 20 | ) | + | 1974171771 200000 | ( | x | − | 81 20 | ) | − | 2305263 50 | ( | x | − | 81 20 | ) |
| 6 | x | x | x | + | 6 | x | x | × | 81 20 | + | 243 10 | x | ( | x | − | 81 20 | ) | − | 243 10 | = | 24372491 10000 | x | ( | x | + | 81 20 | ) | + | 1974171771 200000 | ( | x | − | 81 20 | ) | − | 2305263 50 | ( | x | − | 81 20 | ) |
| 6 | x | x | x | + | 6 | x | x | × | 81 20 | + | 243 10 | x | ( | x | − | 81 20 | ) | − | 243 10 | = | 24372491 10000 | x | x | + | 24372491 10000 | x | × | 81 20 | + | 1974171771 200000 | ( | x | − | 81 20 | ) | − | 2305263 50 | ( | x | − | 81 20 | ) |
| 6 | x | x | x | + | 243 10 | x | x | + | 243 10 | x | ( | x | − | 81 20 | ) | − | 243 10 | ( | x | ( | x | + | 81 20 | ) | + | 81 20 | ( | x | − | 81 20 | ) | ) | = | 24372491 10000 | x | x | + | 1974171771 200000 | x | + | 1974171771 200000 | ( | x | − | 81 20 | ) | − | 2305263 50 | ( | x | − | 81 20 | ) |
| 6 | x | x | x | + | 243 10 | x | x | + | 243 10 | x | x | − | 243 10 | x | = | 24372491 10000 | x | x | + | 1974171771 200000 | x | + | 1974171771 200000 | ( | x | − | 81 20 | ) | − | 2305263 50 | ( | x | − | 81 20 | ) |
| 6 | x | x | x | + | 243 10 | x | x | + | 243 10 | x | x | − | 243 10 | x | = | 24372491 10000 | x | x | + | 1974171771 200000 | x | + | 1974171771 200000 | x | − | 1974171771 200000 | × | 81 20 | − | 2305263 50 | ( | x | − | 81 20 | ) |