| X | ÷ | 113 100 | − | 900 | − | ( | X | ÷ | 113 100 | × | 13 100 | − | 50 | ) | × | 1 10 | = | 0 |
| 方程左边 = | 100 113 | X | − | 900 | − | X | ÷ | 113 100 | × | 13 100 | × | 1 10 | + | 50 | × | 1 10 |
| = | 100 113 | X | − | 900 | − | X | × | 13 1130 | + | 5 |
| = | 987 1130 | X | − | 895 |
987 1130 | X | − | 895 | = | 0 |
987 1130 | X | = | 0 | + | 895 |
987 1130 | X | = | 895 |
| X | = | 895 | ÷ | 987 1130 |
| = | 895 | × | 1130 987 |
| X | = | 1011350 987 |
| X | = | 1024.670719 |