61459149 1000 | × | 103 100 | = | N | × | 1 | × | 103 100 | × | 10 | × | 10 | − | 4 | × | 10257 1000 |
| 方程左边 = | 6330292347 100000 |
6330292347 100000 | = | N | × | 1 | × | 103 100 | × | 10 | × | 10 | − | 4 | × | 10257 1000 |
| 方程右边 = | N | × | 103 | − | 10257 250 |
6330292347 100000 | = | 103 | N | − | 10257 250 |
| - | 103 | N | = | - | 10257 250 | − | 6330292347 100000 |
15180653 1000 | × | 103 100 | = | N | × | 2 | × | 103 100 | × | 10 | × | 10 | − | 4 | × | 509 100 |
| 方程左边 = | 1563607259 100000 |
1563607259 100000 | = | N | × | 2 | × | 103 100 | × | 10 | × | 10 | − | 4 | × | 509 100 |
| 方程右边 = | N | × | 206 | − | 509 25 |
1563607259 100000 | = | 206 | N | − | 509 25 |
| - | 206 | N | = | - | 509 25 | − | 1563607259 100000 |