| x | − | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | − | x | ÷ | 109 100 | × | 1 2000 | − | ( | x | − | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | − | x | ÷ | 109 100 | × | 1 2000 | − | 25111 2 | ) | × | 30 100 | = | 125613 10 | ( | 1 | + | 1 20 | ÷ | 3 4 | ) |
| 方程左边 = | x | − | x | × | 252 2725 | − | x | × | 1 2180 | − | ( | x | − | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | − | x | ÷ | 109 100 | × | 1 2000 | − | 25111 2 | ) | × | 30 100 |
| = | 9887 10900 | x | − | ( | x | − | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | − | x | ÷ | 109 100 | × | 1 2000 | − | 25111 2 | ) | × | 30 100 |
9887 10900 | x | − | ( | x | − | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | − | x | ÷ | 109 100 | × | 1 2000 | − | 25111 2 | ) | × | 30 100 | = | 125613 10 | ( | 1 | + | 1 20 | ÷ | 3 4 | ) |
| 方程左边 = | 9887 10900 | x | − | x | × | 30 100 | + | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | × | 30 100 | + | x | ÷ | 109 100 | × | 1 2000 |
| = | 9887 10900 | x | − | x | × | 30 100 | + | x | × | 378 13625 | + | x | × | 3 21800 | + | 75333 20 |
| = | 69209 109000 | x | + | 75333 20 |
69209 109000 | x | + | 75333 20 | = | 125613 10 | ( | 1 | + | 1 20 | ÷ | 3 4 | ) |
| 方程右边 = | 125613 10 | × | 1 | + | 125613 10 | × | 1 20 | ÷ | 3 4 |
| = | 125613 10 | + | 41871 50 |
| = | 334968 25 |
69209 109000 | x | + | 75333 20 | = | 334968 25 |
69209 109000 | x | = | 334968 25 | − | 75333 20 |
69209 109000 | x | = | 963207 100 |
| x | = | 963207 100 | ÷ | 69209 109000 |
| = | 963207 100 | × | 109000 69209 |
| = | 137601 | × | 1090 9887 |
| x | = | 149985090 9887 |
| x | = | 15169.9292 |