X | − | 3 500 | X | − | X | ÷ | 103 100 | × | 3 100 | × | 11 10 | − | 3 10000 | X | = | 12253333 100 |
方程左边 = | X | − | 3 500 | X | − | X | × | 33 1030 | − | 3 10000 | X |
= | 990511 1030000 | X |
990511 1030000 | X | = | 12253333 100 |
X | = | 12253333 100 | ÷ | 990511 1030000 |
= | 12253333 100 | × | 1030000 990511 |
= | 12253333 | × | 10300 990511 |
X | = | 126209329900 990511 |