0 | = | 1400 | Q | − | ( | 400 | + | 550 | Q | ) | − | 84 | Q |
方程右边 = | 1316 | Q | − | ( | 400 | + | 550 | Q | ) |
0 | = | 1316 | Q | − | ( | 400 | + | 550 | Q | ) |
方程右边 = | 1316 | Q | − | 400 | − | 550 | Q |
= | 766 | Q | − | 400 |
0 | = | 766 | Q | − | 400 |
- | 766 | Q | = | - | 400 | − | 0 |
- | 766 | Q | = | - | 400 |
400 | = | 766 | Q |
766 | Q | = | 400 |
Q | = | 400 | ÷ | 766 |
= | 400 | × | 1 766 |
= | 200 | × | 1 383 |
Q | = | 200 383 |
Q | = | 0.522193 |