21 8 | × | 863 5000 | ÷ | ( | 21 8 | − | x | ) | + | 29 80 | × | 2361 1000 | ÷ | ( | 2361 1000 | − | x | ) | + | 121 400 | × | 1 | ÷ | ( | 1 | − | x | ) | + | 1389 2500 | × | 13 80 | ÷ | ( | 1389 2500 | − | x | ) | = | 1 5 |
方程两边同时乘以: | ( | 21 8 | − | x | ) |
21 8 | × | 863 5000 | + | 29 80 | × | 2361 1000 | ÷ | ( | 2361 1000 | − | x | ) | × | ( | 21 8 | − | x | ) | + | 121 400 | × | 1 | ÷ | ( | 1 | − | x | ) | × | ( | 21 8 | − | x | ) | + | 1389 2500 | × | 13 80 | = | 1 5 | ( | 21 8 | − | x | ) |
21 8 | × | 863 5000 | + | 29 80 | × | 2361 1000 | ÷ | ( | 2361 1000 | − | x | ) | × | 21 8 | − | 29 80 | × | 2361 1000 | ÷ | ( | 2361 1000 | − | x | ) | × | x | + | 121 400 | × | 1 | = | 1 5 | ( | 21 8 | − | x | ) |
21 8 | × | 863 5000 | + | 29 80 | × | 2361 1000 | ÷ | ( | 2361 1000 | − | x | ) | × | 21 8 | − | 29 80 | × | 2361 1000 | ÷ | ( | 2361 1000 | − | x | ) | × | x | + | 121 400 | × | 1 | = | 1 5 | × | 21 8 | − | 1 5 | x |
18123 40000 | + | 1437849 640000 | ÷ | ( | 2361 1000 | − | x | ) | − | 68469 80000 | ÷ | ( | 2361 1000 | − | x | ) | × | x | + | 121 400 | ÷ | ( | 1 | − | x | ) | × | ( | 21 8 | − | x | ) | + | 18057 200000 | ÷ | ( | 1389 2500 | − | x | ) | × | ( | 21 8 | − | x | ) | = | 21 40 | − | 1 5 | x |
方程两边同时乘以: | ( | 2361 1000 | − | x | ) |
18123 40000 | ( | 2361 1000 | − | x | ) | + | 1437849 640000 | − | 68469 80000 | x | + | 121 400 | ÷ | ( | 1 | − | x | ) | × | ( | 21 8 | − | x | ) | ( | 2361 1000 | − | x | ) | + | 18057 200000 | ÷ | ( | 1389 2500 | − | x | ) | × | ( | 21 8 | − | x | ) | = | 21 40 | ( | 2361 1000 | − | x | ) | − | 1 5 | x | ( | 2361 1000 | − | x | ) |
18123 40000 | × | 2361 1000 | − | 18123 40000 | x | + | 1437849 640000 | − | 68469 80000 | x | + | 121 400 | ÷ | ( | 1 | − | x | ) | × | ( | 21 8 | − | x | ) | ( | 2361 1000 | − | x | ) | + | 18057 200000 | = | 21 40 | ( | 2361 1000 | − | x | ) | − | 1 5 | x | ( | 2361 1000 | − | x | ) |
18123 40000 | × | 2361 1000 | − | 18123 40000 | x | + | 1437849 640000 | − | 68469 80000 | x | + | 121 400 | ÷ | ( | 1 | − | x | ) | × | ( | 21 8 | − | x | ) | ( | 2361 1000 | − | x | ) | + | 18057 200000 | = | 21 40 | × | 2361 1000 | − | 21 40 | x | − | 1 5 | x | ( | 2361 1000 | − | x | ) |
42788403 40000000 | − | 18123 40000 | x | + | 1437849 640000 | − | 68469 80000 | x | + | 121 400 | ÷ | ( | 1 | − | x | ) | × | ( | 21 8 | − | x | ) | ( | 2361 1000 | − | x | ) | + | 18057 200000 | ÷ | ( | 1389 2500 | − | x | ) | = | 49581 40000 | − | 21 40 | x | − | 1 5 | x | ( | 2361 1000 | − | x | ) |