( | 250 | ( | 10 | − | x | ) | ) | ÷ | ( | 200 | ( | 10 | + | x | ) | ) | = | ( | 10 | ( | 5 2 | − | 5 2 | x | ) | ÷ | 1 100 | ) | ÷ | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) |
方程两边同时乘以: | ( | 200 | ( | 10 | + | x | ) | ) | , | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) |
( | 250 | ( | 10 | − | x | ) | ) | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | ( | 10 | ( | 5 2 | − | 5 2 | x | ) | ÷ | 1 100 | ) | ( | 200 | ( | 10 | + | x | ) | ) |
250 | ( | 10 | − | x | ) | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | ( | 10 | ( | 5 2 | − | 5 2 | x | ) | ÷ | 1 100 | ) | ( | 200 | ( | 10 | + | x | ) | ) |
250 | ( | 10 | − | x | ) | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 10 | ( | 5 2 | − | 5 2 | x | ) | ÷ | 1 100 | × | ( | 200 | ( | 10 | + | x | ) | ) |
250 | ( | 10 | − | x | ) | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 1000 | ( | 5 2 | − | 5 2 | x | ) | ( | 200 | ( | 10 | + | x | ) | ) |
250 | × | 10 | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 1000 | ( | 5 2 | − | 5 2 | x | ) | ( | 200 | ( | 10 | + | x | ) | ) |
250 | × | 10 | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 1000 | × | 5 2 | ( | 200 | ( | 10 | + | x | ) | ) | − | 1000 | × | 5 2 | x | ( | 200 | ( | 10 | + | x | ) | ) |
2500 | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 2500 | ( | 200 | ( | 10 | + | x | ) | ) | − | 2500 | x | ( | 200 | ( | 10 | + | x | ) | ) |
2500 | × | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 2500 | ( | 200 | ( | 10 | + | x | ) | ) | − | 2500 | x | ( | 200 | ( | 10 | + | x | ) | ) |
2500 | × | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 2500 | × | 200 | ( | 10 | + | x | ) | − | 2500 | x | ( | 200 | ( | 10 | + | x | ) | ) |
625000 | ( | 24 5 | + | 5 2 | x | ) | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 500000 | ( | 10 | + | x | ) | − | 2500 | x | ( | 200 | ( | 10 | + | x | ) | ) |
625000 | × | 24 5 | + | 625000 | × | 5 2 | x | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 500000 | ( | 10 | + | x | ) | − | 2500 | x | ( | 200 | ( | 10 | + | x | ) | ) |
625000 | × | 24 5 | + | 625000 | × | 5 2 | x | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 500000 | × | 10 | + | 500000 | x | − | 2500 | x | ( | 200 | ( | 10 | + | x | ) | ) |
3000000 | + | 1562500 | x | − | 250 | x | ( | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | ) | = | 5000000 | + | 500000 | x | − | 2500 | x | ( | 200 | ( | 10 | + | x | ) | ) |
3000000 | + | 1562500 | x | − | 250 | x | × | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | = | 5000000 | + | 500000 | x | − | 2500 | x | ( | 200 | ( | 10 | + | x | ) | ) |
3000000 | + | 1562500 | x | − | 250 | x | × | 10 | ( | 24 5 | + | 5 2 | x | ) | ÷ | 1 25 | = | 5000000 | + | 500000 | x | − | 2500 | x | × | 200 | ( | 10 | + | x | ) |
3000000 | + | 1562500 | x | − | 62500 | x | ( | 24 5 | + | 5 2 | x | ) | = | 5000000 | + | 500000 | x | − | 500000 | x | ( | 10 | + | x | ) |
3000000 | + | 1562500 | x | − | 62500 | x | × | 24 5 | − | 62500 | x | × | 5 2 | x | = | 5000000 | + | 500000 | x | − | 500000 | x | ( | 10 | + | x | ) |
3000000 | + | 1562500 | x | − | 62500 | x | × | 24 5 | − | 62500 | x | × | 5 2 | x | = | 5000000 | + | 500000 | x | − | 500000 | x | × | 10 | − | 500000 | x | x |
3000000 | + | 1562500 | x | − | 300000 | x | − | 156250 | x | x | = | 5000000 | + | 500000 | x | − | 5000000 | x | − | 500000 | x | x |
3000000 | + | 1262500 | x | − | 156250 | x | x | = | 5000000 | − | 4500000 | x | − | 500000 | x | x |