87 5 | × | 1 200 | ÷ | ( | 87 5 | − | x | ) | + | 359 50 | × | 623 2500 | ÷ | ( | 359 50 | − | x | ) | + | 2 5 | ÷ | ( | 5 | − | x | ) | + | 217 100 | × | 953 10000 | ÷ | ( | 217 100 | − | x | ) | + | 2 | = | 0 |
| 方程两边同时乘以: | ( | 87 5 | − | x | ) |
87 5 | × | 1 200 | + | 359 50 | × | 623 2500 | ÷ | ( | 359 50 | − | x | ) | × | ( | 87 5 | − | x | ) | + | 2 5 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | + | 217 100 | × | 953 10000 | ÷ | ( | 217 100 | − | x | ) | = | 0 |
87 5 | × | 1 200 | + | 359 50 | × | 623 2500 | ÷ | ( | 359 50 | − | x | ) | × | 87 5 | − | 359 50 | × | 623 2500 | ÷ | ( | 359 50 | − | x | ) | × | x | + | 2 5 | ÷ | ( | 5 | − | x | ) | = | 0 |
87 1000 | + | 19458159 625000 | ÷ | ( | 359 50 | − | x | ) | − | 223657 125000 | ÷ | ( | 359 50 | − | x | ) | × | x | + | 2 5 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | + | 206801 1000000 | ÷ | ( | 217 100 | − | x | ) | × | ( | 87 5 | − | x | ) | = | 0 |
| 方程两边同时乘以: | ( | 359 50 | − | x | ) |
87 1000 | ( | 359 50 | − | x | ) | + | 19458159 625000 | − | 223657 125000 | x | + | 2 5 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | ( | 359 50 | − | x | ) | + | 206801 1000000 | ÷ | ( | 217 100 | − | x | ) | × | ( | 87 5 | − | x | ) | = | 0 |
87 1000 | × | 359 50 | − | 87 1000 | x | + | 19458159 625000 | − | 223657 125000 | x | + | 2 5 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | ( | 359 50 | − | x | ) | + | 206801 1000000 | = | 0 |
31233 50000 | − | 87 1000 | x | + | 19458159 625000 | − | 223657 125000 | x | + | 2 5 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | ( | 359 50 | − | x | ) | + | 206801 1000000 | ÷ | ( | 217 100 | − | x | ) | = | 0 |