x | × | 3999 4000 | − | 5119 40 | × | 4001 4000 | = | 2 | ÷ | 10 |
方程左边 = | x | × | 3999 4000 | − | 20481119 160000 |
3999 4000 | x | − | 20481119 160000 | = | 2 | ÷ | 10 |
方程右边 = | 1 5 |
3999 4000 | x | − | 20481119 160000 | = | 1 5 |
3999 4000 | x | = | 1 5 | + | 20481119 160000 |
3999 4000 | x | = | 20513119 160000 |
x | = | 20513119 160000 | ÷ | 3999 4000 |
= | 20513119 160000 | × | 4000 3999 |
= | 20513119 40 | × | 1 3999 |
x | = | 20513119 159960 |
x | = | 128.239054 |