( | 630 | + | X | ) | ÷ | 2 | × | 2300 | ÷ | 1000 | = | 1630 |
方程左边 = | ( | 630 | + | X | ) | × | 23 20 |
( | 630 | + | X | ) | × | 23 20 | = | 1630 |
方程左边 = | 630 | × | 23 20 | + | X | × | 23 20 |
= | 1449 2 | + | X | × | 23 20 |
1449 2 | + | 23 20 | X | = | 1630 |
23 20 | X | = | 1630 | − | 1449 2 |
23 20 | X | = | 1811 2 |
X | = | 1811 2 | ÷ | 23 20 |
= | 1811 2 | × | 20 23 |
= | 1811 | × | 10 23 |
X | = | 18110 23 |
X | = | 787.391304 |