91984419 50 | − | 9448 | − | 1570098 5 | − | ( | 16513761 100 | − | 1479553 100 | − | x | ÷ | 103 100 | × | 3 100 | − | 3721309 100 | ) | × | 28 25 | = | x |
| 方程左边 = | 75811039 50 | − | ( | 16513761 100 | − | 1479553 100 | − | x | ÷ | 103 100 | × | 3 100 | − | 3721309 100 | ) | × | 28 25 |
75811039 50 | − | ( | 16513761 100 | − | 1479553 100 | − | x | ÷ | 103 100 | × | 3 100 | − | 3721309 100 | ) | × | 28 25 | = | x |
| 方程左边 = | 75811039 50 | − | 16513761 100 | × | 28 25 | + | 1479553 100 | × | 28 25 | + | x | ÷ | 103 100 | × | 3 100 | × | 28 25 | + | 3721309 100 | × | 28 25 |
| = | 75811039 50 | − | 115596327 625 | + | 10356871 625 | + | x | × | 84 2575 | + | 26049163 625 |