11800000 | + | x | ÷ | 109 100 | × | 9 100 | × | 28 25 | + | x | ÷ | 109 100 | × | 1 4 | + | x | ÷ | 109 100 | × | 3 50 | ÷ | 100 | = | x |
方程左边 = | 11800000 | + | x | × | 252 2725 | + | x | × | 25 109 | + | x | × | 3 5450 |
= | 11800000 | + | 1757 5450 | x |
11800000 | + | 1757 5450 | x | = | x |
1757 5450 | x | − | x | = | - | 11800000 |
- | 3693 5450 | x | = | - | 11800000 |
11800000 | = | 3693 5450 | x |
3693 5450 | x | = | 11800000 |
x | = | 11800000 | ÷ | 3693 5450 |
= | 11800000 | × | 5450 3693 |
x | = | 64310000000 3693 |