| ( | 16493 50 | − | X | ) | × | 1 50 | + | X | ÷ | 101 100 | × | 1 100 | + | ( | 783157 2500 | − | X | ) | × | 13 100 | ÷ | 113 100 | + | 10 | ÷ | 101 100 | × | 1 100 | = | 16493 50 | ÷ | 109 100 | × | 9 100 |
| 方程左边 = | ( | 16493 50 | − | X | ) | × | 1 50 | + | X | × | 1 101 | + | ( | 783157 2500 | − | X | ) | × | 13 113 | + | 10 101 |
| ( | 16493 50 | − | X | ) | × | 1 50 | + | 1 101 | X | + | ( | 783157 2500 | − | X | ) | × | 13 113 | + | 10 101 | = | 16493 50 | ÷ | 109 100 | × | 9 100 |
| 方程左边 = | 16493 50 | × | 1 50 | − | X | × | 1 50 | + | 1 101 | X | + | ( | 783157 2500 | − | X | ) | × | 13 113 | + | 10 101 |
| = | 16493 2500 | − | X | × | 1 50 | + | 1 101 | X | + | ( | 783157 2500 | − | X | ) | × | 13 113 | + | 10 101 |
| = | 1690793 252500 | − | 51 5050 | X | + | ( | 783157 2500 | − | X | ) | × | 13 113 |
| = | 1690793 252500 | − | 51 5050 | X | + | 783157 2500 | × | 13 113 | − | X | × | 13 113 |
| = | 1690793 252500 | − | 51 5050 | X | + | 10181041 282500 | − | X | × | 13 113 |