55 | × | 799 100 | + | 528 5 | × | 397 50 | = | 803 5 | x |
方程左边 = | 8789 20 | + | 104808 125 |
= | 638957 500 |
638957 500 | = | 803 5 | x |
- | 803 5 | x | = | - | 638957 500 |
638957 500 | = | 803 5 | x |
803 5 | x | = | 638957 500 |
x | = | 638957 500 | ÷ | 803 5 |
= | 638957 500 | × | 5 803 |
= | 58087 100 | × | 1 73 |
x | = | 58087 7300 |
x | = | 7.957123 |