| 17 | ÷ | 102 | + | X | ÷ | 1000 | + | ( | 297 5 | − | X | ) | ÷ | 1650 | + | 4 | ÷ | 447 10 | + | 2 | ÷ | 53 | = | 61 200 |
| 方程左边 = | 1 6 | + | X | × | 1 1000 | + | ( | 297 5 | − | X | ) | × | 1 1650 | + | 40 447 | + | 2 53 |
| = | 13925 47382 | + | 1 1000 | X | + | ( | 297 5 | − | X | ) | × | 1 1650 |
13925 47382 | + | 1 1000 | X | + | ( | 297 5 | − | X | ) | × | 1 1650 | = | 61 200 |
| 方程左边 = | 13925 47382 | + | 1 1000 | X | + | 297 5 | × | 1 1650 | − | X | × | 1 1650 |
| = | 13925 47382 | + | 1 1000 | X | + | 9 250 | − | X | × | 1 1650 |
| = | 976922 2961375 | + | 13 33000 | X |
976922 2961375 | + | 13 33000 | X | = | 61 200 |
13 33000 | X | = | 61 200 | − | 976922 2961375 |
13 33000 | X | = | - | 589621 23691000 |
| X | = | - | 589621 23691000 | ÷ | 13 33000 |
| = | - | 589621 23691000 | × | 33000 13 |
| = | - | 589621 7897 | × | 11 13 |
| X | = | - | 6485831 102661 |
| X | = | - 63.177166 |