| 10000 | = | X | − | ( | ( | X | ÷ | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ) | × | 20 100 | × | 80 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) |
| 10000 | = | X | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ) | × | 20 100 | × | 80 100 | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) |
| 10000 | = | X | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ) | × | 4 25 | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) |
| 10000 | = | X | − | X | ÷ | ( | 1 | + | 1 100 | ) | × | 4 25 | + | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | × | 4 25 | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) |
| 方程两边同时乘以: | ( | 1 | + | 1 100 | ) |
| 10000 | ( | 1 | + | 1 100 | ) | = | X | ( | 1 | + | 1 100 | ) | − | X | × | 4 25 | + | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | × | 4 25 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) |
| 10000 | × | 1 | + | 10000 | × | 1 100 | = | X | ( | 1 | + | 1 100 | ) | − | X | × | 4 25 | + | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | × | 4 25 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) |
| 10000 | × | 1 | + | 10000 | × | 1 100 | = | X | × | 1 | + | X | × | 1 100 | − | X | × | 4 25 | + | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | × | 4 25 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) |
| 10000 | + | 100 | = | X | × | 1 | + | X | × | 1 100 | − | X | × | 4 25 | + | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | × | 4 25 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) |
| 10100 | = | 17 20 | X | + | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | × | 4 25 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) |
| 10100 | = | 17 20 | X | + | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | × | 4 25 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) |
| 10100 | = | 17 20 | X | + | X | ÷ | ( | 1 | + | 1 100 | ) | × | 7 125000 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) |
| 方程两边同时乘以: | ( | 1 | + | 1 100 | ) |
| 10100 | ( | 1 | + | 1 100 | ) | = | 17 20 | X | ( | 1 | + | 1 100 | ) | + | X | × | 7 125000 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) |
| 10100 | × | 1 | + | 10100 | × | 1 100 | = | 17 20 | X | ( | 1 | + | 1 100 | ) | + | X | × | 7 125000 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) |
| 10100 | × | 1 | + | 10100 | × | 1 100 | = | 17 20 | X | × | 1 | + | 17 20 | X | × | 1 100 | + | X | × | 7 125000 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) |
| 10100 | + | 101 | = | 17 20 | X | + | 17 2000 | X | + | X | × | 7 125000 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) |
| 10201 | = | 1717 2000 | X | + | X | × | 7 125000 | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) |
| 10201 | = | 1717 2000 | X | + | X | × | 7 125000 | × | 1 | + | X | × | 7 125000 | × | 1 100 | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) |
| 10201 | = | 1717 2000 | X | + | X | × | 7 125000 | + | X | × | 7 12500000 | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) | − | ( | X | ÷ | ( | 1 | + | 1 100 | ) | × | 1 100 | × | 7 100 | × | 50 100 | ) | ( | 1 | + | 1 100 | ) | ( | 1 | + | 1 100 | ) |