| 8 | ÷ | 102 | + | 2 | ÷ | 5679 50 | + | 5 | ÷ | 447 10 | + | 6 | ÷ | 226 5 | + | X | ÷ | 255 2 | + | ( | 743 10 | − | X | ) | ÷ | 1000 | = | 229 500 |
| 方程左边 = | 4 51 | + | 100 5679 | + | 50 447 | + | 15 113 | + | X | × | 2 255 | + | ( | 743 10 | − | X | ) | × | 1 1000 |
| = | 553708919 1625494491 | + | 2 255 | X | + | ( | 743 10 | − | X | ) | × | 1 1000 |
553708919 1625494491 | + | 2 255 | X | + | ( | 743 10 | − | X | ) | × | 1 1000 | = | 229 500 |
| 方程左边 = | 553708919 1625494491 | + | 2 255 | X | + | 743 10 | × | 1 1000 | − | X | × | 1 1000 |
| = | 553708919 1625494491 | + | 2 255 | X | + | 743 10000 | − | X | × | 1 1000 |