30 | × | 807 100 | + | 503 5 | × | 793 100 | = | 653 5 | x |
方程左边 = | 2421 10 | + | 398879 500 |
= | 519929 500 |
519929 500 | = | 653 5 | x |
- | 653 5 | x | = | - | 519929 500 |
519929 500 | = | 653 5 | x |
653 5 | x | = | 519929 500 |
x | = | 519929 500 | ÷ | 653 5 |
= | 519929 500 | × | 5 653 |
= | 519929 100 | × | 1 653 |
x | = | 519929 65300 |
x | = | 7.962159 |