| 108 | × | 1000000 | = | 1 | X | × | 143 10 | X | × | 200 | X | ( | X | ) | X | ( | 465 | − | X | ÷ | 2 | ) |
| 方程左边 = | 108000000 |
| 108000000 | = | 1 | X | × | 143 10 | X | × | 200 | X | ( | X | ) | X | ( | 465 | − | X | ÷ | 2 | ) |
| 方程右边 = | 2860 | X | X | X | ( | X | ) | X | ( | 465 | − | X | ÷ | 2 | ) |
| 108000000 | = | 2860 | X | X | X | ( | X | ) | X | ( | 465 | − | X | ÷ | 2 | ) |
| 方程右边 = | 2860 | X | X | X | X | X | ( | 465 | − | X | ÷ | 2 | ) |
| = | 2860 | X | X | X | X | X | × | 465 | − | 2860 | X | X | X | X |
| = | 1329900 | X | X | X | X | X | − | 1430 | X | X | X | X | X |
| 108000000 | = | 1329900 | X | X | X | X | X | − | 1430 | X | X | X | X | X |