( | 56503 10 | − | y | ) | ÷ | y | = | 13 500 |
方程两边同时乘以: | y |
( | 56503 10 | − | y | ) | = | 13 500 | y |
56503 10 | − | y | = | 13 500 | y |
- | y | − | 13 500 | y | = | - | 56503 10 |
- | 513 500 | y | = | - | 56503 10 |
56503 10 | = | 513 500 | y |
513 500 | y | = | 56503 10 |
y | = | 56503 10 | ÷ | 513 500 |
= | 56503 10 | × | 500 513 |
= | 56503 | × | 50 513 |
y | = | 2825150 513 |
y | = | 5507.11501 |