( | 55867 10 | − | y | ) | ÷ | y | = | 21 1000 |
方程两边同时乘以: | y |
( | 55867 10 | − | y | ) | = | 21 1000 | y |
55867 10 | − | y | = | 21 1000 | y |
- | y | − | 21 1000 | y | = | - | 55867 10 |
- | 1021 1000 | y | = | - | 55867 10 |
55867 10 | = | 1021 1000 | y |
1021 1000 | y | = | 55867 10 |
y | = | 55867 10 | ÷ | 1021 1000 |
= | 55867 10 | × | 1000 1021 |
= | 55867 | × | 100 1021 |
y | = | 5586700 1021 |
y | = | 5471.79236 |