x | × | 9 10 | × | 680 | ÷ | 1963 10000 | + | 4 | x | × | 90 | ÷ | 1963 10000 | + | 9 10 | ( | 1 | − | 5 | x | ) | × | 70 | = | 481 2 |
方程左边 = | x | × | 6120000 1963 | + | 3600000 1963 | x | + | 63 | ( | 1 | − | 5 | x | ) |
= | 9720000 1963 | x | + | 63 | ( | 1 | − | 5 | x | ) |
9720000 1963 | x | + | 63 | ( | 1 | − | 5 | x | ) | = | 481 2 |
方程左边 = | 9720000 1963 | x | + | 63 | × | 1 | − | 63 | × | 5 | x |
= | 9720000 1963 | x | + | 63 | − | 315 | x |
= | 9101655 1963 | x | + | 63 |
9101655 1963 | x | + | 63 | = | 481 2 |
9101655 1963 | x | = | 481 2 | − | 63 |
9101655 1963 | x | = | 355 2 |
x | = | 355 2 | ÷ | 9101655 1963 |
= | 355 2 | × | 1963 9101655 |
= | 71 2 | × | 1963 1820331 |
x | = | 139373 3640662 |
x | = | 0.038282 |