13 2500 | × | 87 5 | ÷ | ( | 87 5 | − | x | ) | + | 249 1000 | × | 359 50 | ÷ | ( | 359 50 | − | x | ) | + | 83 1000 | × | 5 | ÷ | ( | 5 | − | x | ) | + | 87 1000 | × | 217 100 | ÷ | ( | 217 100 | − | x | ) | = | 0 |
方程两边同时乘以: | ( | 87 5 | − | x | ) |
13 2500 | × | 87 5 | + | 249 1000 | × | 359 50 | ÷ | ( | 359 50 | − | x | ) | × | ( | 87 5 | − | x | ) | + | 83 1000 | × | 5 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | + | 87 1000 | × | 217 100 | = | 0 |
13 2500 | × | 87 5 | + | 249 1000 | × | 359 50 | ÷ | ( | 359 50 | − | x | ) | × | 87 5 | − | 249 1000 | × | 359 50 | ÷ | ( | 359 50 | − | x | ) | × | x | + | 83 1000 | × | 5 | = | 0 |
1131 12500 | + | 7777017 250000 | ÷ | ( | 359 50 | − | x | ) | − | 89391 50000 | ÷ | ( | 359 50 | − | x | ) | × | x | + | 83 200 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | + | 18879 100000 | ÷ | ( | 217 100 | − | x | ) | × | ( | 87 5 | − | x | ) | = | 0 |
方程两边同时乘以: | ( | 359 50 | − | x | ) |
1131 12500 | ( | 359 50 | − | x | ) | + | 7777017 250000 | − | 89391 50000 | x | + | 83 200 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | ( | 359 50 | − | x | ) | + | 18879 100000 | ÷ | ( | 217 100 | − | x | ) | × | ( | 87 5 | − | x | ) | = | 0 |
1131 12500 | × | 359 50 | − | 1131 12500 | x | + | 7777017 250000 | − | 89391 50000 | x | + | 83 200 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | ( | 359 50 | − | x | ) | + | 18879 100000 | = | 0 |
406029 625000 | − | 1131 12500 | x | + | 7777017 250000 | − | 89391 50000 | x | + | 83 200 | ÷ | ( | 5 | − | x | ) | × | ( | 87 5 | − | x | ) | ( | 359 50 | − | x | ) | + | 18879 100000 | ÷ | ( | 217 100 | − | x | ) | = | 0 |