X | − | 16863 25 | − | ( | ( | X | − | 16863 25 | − | 15000 | ) | × | 10 100 | − | 2520 | ) | = | 542707 10 |
方程左边 = | X | − | 16863 25 | − | ( | X | − | 16863 25 | − | 15000 | ) | × | 10 100 | + | 2520 |
= | X | + | 46137 25 | − | ( | X | − | 16863 25 | − | 15000 | ) | × | 10 100 |
= | X | + | 46137 25 | − | X | × | 10 100 | + | 16863 25 | × | 10 100 | + | 15000 | × | 10 100 |
= | X | + | 46137 25 | − | X | × | 10 100 | + | 16863 250 | + | 1500 |
= | 9 10 | X | + | 853233 250 |
9 10 | X | + | 853233 250 | = | 542707 10 |
9 10 | X | = | 542707 10 | − | 853233 250 |
9 10 | X | = | 6357221 125 |
X | = | 6357221 125 | ÷ | 9 10 |
= | 6357221 125 | × | 10 9 |
= | 6357221 25 | × | 2 9 |
X | = | 12714442 225 |
X | = | 56508.631111 |