x | × | 3999 4000 | − | 128123 1000 | × | 4001 4000 | = | 1 | ÷ | 10 |
方程左边 = | x | × | 3999 4000 | − | 512620123 4000000 |
3999 4000 | x | − | 512620123 4000000 | = | 1 | ÷ | 10 |
方程右边 = | 1 10 |
3999 4000 | x | − | 512620123 4000000 | = | 1 10 |
3999 4000 | x | = | 1 10 | + | 512620123 4000000 |
3999 4000 | x | = | 513020123 4000000 |
x | = | 513020123 4000000 | ÷ | 3999 4000 |
= | 513020123 4000000 | × | 4000 3999 |
= | 513020123 1000 | × | 1 3999 |
x | = | 513020123 3999000 |
x | = | 128.287103 |