( | 49 | ÷ | 42945511 50 | ) | ( | 1752878 | − | 42945511 50 | ) | = | x |
方程左边 = | 49 | ÷ | 42945511 50 | × | ( | 1752878 | − | 42945511 50 | ) |
= | 50 876439 | ( | 1752878 | − | 42945511 50 | ) |
= | 50 876439 | × | 1752878 | − | 50 876439 | × | 42945511 50 |
= | 311900 3119 | − | 152831 3119 |
= | 159069 3119 |
159069 3119 | = | x |
- | x | = | - | 159069 3119 |
159069 3119 | = | x |
x | = | 159069 3119 |