a | + | 1 | = | 567 1000 | ( | a | + | 2 | ) |
方程右边 = | 567 1000 | a | + | 567 1000 | × | 2 |
= | 567 1000 | a | + | 567 500 |
a | + | 1 | = | 567 1000 | a | + | 567 500 |
a | − | 567 1000 | a | = | 567 500 | − | 1 |
433 1000 | a | = | 567 500 | − | 1 |
433 1000 | a | = | 67 500 |
a | = | 67 500 | ÷ | 433 1000 |
= | 67 500 | × | 1000 433 |
= | 67 | × | 2 433 |
a | = | 134 433 |
a | = | 0.309469 |