( | 374 | × | 50 | ) | + | ( | X | × | 5 2 | × | 50 100 | ) | = | 452 |
方程左边 = | 374 | × | 50 | + | ( | X | × | 5 2 | × | 50 100 | ) |
= | 18700 | + | ( | X | × | 5 2 | × | 50 100 | ) |
= | 18700 | + | X | × | 5 2 | × | 50 100 |
= | 18700 | + | X | × | 5 4 |
18700 | + | 5 4 | X | = | 452 |
5 4 | X | = | 452 | − | 18700 |
5 4 | X | = | - | 18248 |
X | = | - | 18248 | ÷ | 5 4 |
= | - | 18248 | × | 4 5 |
X | = | - | 72992 5 |
X | = | - 14598.4 |