( | ( | x | − | 200 | ) | ( | 1 | − | 25 100 | ) | ) | ÷ | 3300 | = | ( | x | − | 200 | − | 150 | ) | ( | 1 | − | 25 100 | ) | ÷ | 3000 |
方程左边 = | ( | x | − | 200 | ) | ( | 1 | − | 25 100 | ) | × | 1 3300 |
= | x | ( | 1 | − | 25 100 | ) | × | 1 3300 | − | 200 | ( | 1 | − | 25 100 | ) | × | 1 3300 |
= | x | ( | 1 | − | 25 100 | ) | × | 1 3300 | − | 2 33 | ( | 1 | − | 25 100 | ) |
= | x | × | 1 | × | 1 3300 | − | x | × | 25 100 | × | 1 3300 | − | 2 33 | ( | 1 | − | 25 100 | ) |
= | x | × | 1 3300 | − | x | × | 1 13200 | − | 2 33 | ( | 1 | − | 25 100 | ) |
= | 1 4400 | x | − | 2 33 | ( | 1 | − | 25 100 | ) |
= | 1 4400 | x | − | 2 33 | × | 1 | + | 2 33 | × | 25 100 |
= | 1 4400 | x | − | 2 33 | + | 1 66 |
= | 1 4400 | x | − | 1 22 |
1 4400 | x | − | 1 22 | = | ( | x | − | 200 | − | 150 | ) | ( | 1 | − | 25 100 | ) | ÷ | 3000 |
方程右边 = | x | ( | 1 | − | 25 100 | ) | × | 1 3000 | − | 200 | ( | 1 | − | 25 100 | ) | × | 1 3000 | − | 150 | ( | 1 | − | 25 100 | ) | × | 1 3000 |
= | x | ( | 1 | − | 25 100 | ) | × | 1 3000 | − | 1 15 | ( | 1 | − | 25 100 | ) | − | 1 20 | ( | 1 | − | 25 100 | ) |
= | x | × | 1 | × | 1 3000 | − | x | × | 25 100 | × | 1 3000 | − | 1 15 | ( | 1 | − | 25 100 | ) | − | 1 20 | ( | 1 | − | 25 100 | ) |
= | x | × | 1 3000 | − | x | × | 1 12000 | − | 1 15 | ( | 1 | − | 25 100 | ) | − | 1 20 | ( | 1 | − | 25 100 | ) |
= | 1 4000 | x | − | 1 15 | ( | 1 | − | 25 100 | ) | − | 1 20 | ( | 1 | − | 25 100 | ) |
= | 1 4000 | x | − | 1 15 | × | 1 | + | 1 15 | × | 25 100 | − | 1 20 | ( | 1 | − | 25 100 | ) |
= | 1 4000 | x | − | 1 15 | + | 1 60 | − | 1 20 | ( | 1 | − | 25 100 | ) |
= | 1 4000 | x | − | 1 20 | − | 1 20 | ( | 1 | − | 25 100 | ) |
= | 1 4000 | x | − | 1 20 | − | 1 20 | × | 1 | + | 1 20 | × | 25 100 |
= | 1 4000 | x | − | 1 20 | − | 1 20 | + | 1 80 |
= | 1 4000 | x | − | 7 80 |
1 4400 | x | − | 1 22 | = | 1 4000 | x | − | 7 80 |
1 4400 | x | − | 1 4000 | x | = | - | 7 80 | + | 1 22 |
- | 1 44000 | x | = | - | 7 80 | + | 1 22 |
- | 1 44000 | x | = | - | 37 880 |
37 880 | = | 1 44000 | x |
1 44000 | x | = | 37 880 |
x | = | 37 880 | ÷ | 1 44000 |
= | 37 880 | × | 44000 |
= | 37 | × | 50 |
x | = | 1850 |