| 10 | = | ( | 130897 100 | + | 0 | + | X | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) | ÷ | ( | 602 | + | 1 | − | 900 | + | 360 | ) | ) |
| 10 | = | 130897 100 | + | 0 | + | X | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) | ÷ | ( | 602 | + | 1 | − | 900 | + | 360 | ) |
| 10 | = | 130897 100 | + | X | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) | ÷ | ( | 602 | + | 1 | − | 900 | + | 360 | ) |
| 方程两边同时乘以: | ( | 602 | + | 1 | − | 900 | + | 360 | ) |
| 10 | ( | 602 | + | 1 | − | 900 | + | 360 | ) | = | 130897 100 | ( | 602 | + | 1 | − | 900 | + | 360 | ) | + | X | ( | 602 | + | 1 | − | 900 | + | 360 | ) | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) |
| 10 | × | 602 | + | 10 | × | 1 | − | 10 | × | 900 | + | 10 | × | 360 | = | 130897 100 | ( | 602 | + | 1 | − | 900 | + | 360 | ) | + | X | ( | 602 | + | 1 | − | 900 | + | 360 | ) | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) |
| 10 | × | 602 | + | 10 | × | 1 | − | 10 | × | 900 | + | 10 | × | 360 | = | 130897 100 | × | 602 | + | 130897 100 | × | 1 | − | 130897 100 | × | 900 | + | 130897 100 | × | 360 | + | X | ( | 602 | + | 1 | − | 900 | + | 360 | ) | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) |
| 6020 | + | 10 | − | 9000 | + | 3600 | = | 39399997 50 | + | 130897 100 | − | 1178073 | + | 2356146 5 | + | X | ( | 602 | + | 1 | − | 900 | + | 360 | ) | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) |
| 630 | = | 8246511 100 | + | X | ( | 602 | + | 1 | − | 900 | + | 360 | ) | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) |
| 630 | = | 8246511 100 | + | X | × | 602 | + | X | × | 1 | − | X | × | 900 | + | X | × | 360 | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) |
| 630 | = | 8246511 100 | + | 63 | X | + | ( | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 | ) |
| 630 | = | 8246511 100 | + | 63 | X | + | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) | + | 123499 50 |
| 630 | = | 8493509 100 | + | 63 | X | + | ( | 130897 100 | + | 0 | + | X | ) | ÷ | ( | 602 | + | 1 | ) | × | ( | - | 900 | ) |
| 方程两边同时乘以: | ( | 602 | + | 1 | ) |
| 630 | ( | 602 | + | 1 | ) | = | 8493509 100 | ( | 602 | + | 1 | ) | + | 63 | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | 0 | + | X | ) | ( | - | 900 | ) |
| 630 | × | 602 | + | 630 | × | 1 | = | 8493509 100 | ( | 602 | + | 1 | ) | + | 63 | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | 0 | + | X | ) | ( | - | 900 | ) |
| 630 | × | 602 | + | 630 | × | 1 | = | 8493509 100 | × | 602 | + | 8493509 100 | × | 1 | + | 63 | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | 0 | + | X | ) | ( | - | 900 | ) |
| 379260 | + | 630 | = | 2556546209 50 | + | 8493509 100 | + | 63 | X | ( | 602 | + | 1 | ) | + | ( | 130897 100 | + | 0 | + | X | ) | ( | - | 900 | ) |