55 | × | 799 100 | + | 528 5 | × | 199 25 | = | 803 5 | x |
方程左边 = | 8789 20 | + | 105072 125 |
= | 640013 500 |
640013 500 | = | 803 5 | x |
- | 803 5 | x | = | - | 640013 500 |
640013 500 | = | 803 5 | x |
803 5 | x | = | 640013 500 |
x | = | 640013 500 | ÷ | 803 5 |
= | 640013 500 | × | 5 803 |
= | 58183 100 | × | 1 73 |
x | = | 58183 7300 |
x | = | 7.970274 |