199 25 | = | 907 50 | × | 69 125 | ( | x | + | 1 10 | ) | ÷ | ( | 1 | + | 69 125 | ( | x | + | 1 10 | ) | ) | × | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | 100 | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 169 500 | ( | x | + | 1 10 | ) | ÷ | ( | 143 100 | × | 1 10 | ) |
| 方程两边同时乘以: | ( | 1 | + | 69 125 | ( | x | + | 1 10 | ) | ) |
199 25 | ( | 1 | + | 69 125 | ( | x | + | 1 10 | ) | ) | = | 907 50 | × | 69 125 | ( | x | + | 1 10 | ) | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | 100 | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 169 500 | ( | x | + | 1 10 | ) | ÷ | ( | 143 100 | × | 1 10 | ) | × | ( | 1 | + | 69 125 | ( | x | + | 1 10 | ) | ) |
199 25 | × | 1 | + | 199 25 | × | 69 125 | ( | x | + | 1 10 | ) | = | 907 50 | × | 69 125 | ( | x | + | 1 10 | ) | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | 100 | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 169 500 | ( | x | + | 1 10 | ) | ÷ | ( | 143 100 | × | 1 10 | ) | × | ( | 1 | + | 69 125 | ( | x | + | 1 10 | ) | ) |
199 25 | × | 1 | + | 199 25 | × | 69 125 | ( | x | + | 1 10 | ) | = | 907 50 | × | 69 125 | x | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | 100 | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 907 50 | × | 69 125 | × | 1 10 | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | 100 | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) |
199 25 | + | 13731 3125 | ( | x | + | 1 10 | ) | = | 62583 625000 | x | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 62583 6250000 | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 169 500 | ( | x | + | 1 10 | ) | ÷ | ( | 143 100 | × | 1 10 | ) | × | ( | 1 | + | 69 125 | ( | x | + | 1 10 | ) | ) |
| 方程两边同时乘以: | ( | 1 | + | 31 100 | × | 49 5000 | ) |
199 25 | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 13731 3125 | ( | x | + | 1 10 | ) | ( | 1 | + | 31 100 | × | 49 5000 | ) | = | 62583 625000 | x | ( | 100 | − | 909 5000 | − | 49 5000 | ) | + | 62583 6250000 | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | × | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 169 500 | ( | x | + | 1 10 | ) | ÷ | ( | 143 100 | × | 1 10 | ) | × | ( | 1 | + | 69 125 | ( | x | + | 1 10 | ) | ) | ( | 1 | + | 31 100 | × | 49 5000 | ) |
199 25 | × | 1 | + | 199 25 | × | 31 100 | × | 49 5000 | + | 13731 3125 | ( | x | + | 1 10 | ) | ( | 1 | + | 31 100 | × | 49 5000 | ) | = | 62583 625000 | x | ( | 100 | − | 909 5000 | − | 49 5000 | ) | + | 62583 6250000 | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | × | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 169 500 | ( | x | + | 1 10 | ) | ÷ | ( | 143 100 | × | 1 10 | ) | × | ( | 1 | + | 69 125 | ( | x | + | 1 10 | ) | ) | ( | 1 | + | 31 100 | × | 49 5000 | ) |
199 25 | × | 1 | + | 199 25 | × | 31 100 | × | 49 5000 | + | 13731 3125 | ( | x | + | 1 10 | ) | ( | 1 | + | 31 100 | × | 49 5000 | ) | = | 62583 625000 | x | × | 100 | − | 62583 625000 | x | × | 909 5000 | − | 62583 625000 | x | × | 49 5000 | + | 62583 6250000 | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) |
199 25 | + | 302281 12500000 | + | 13731 3125 | ( | x | + | 1 10 | ) | ( | 1 | + | 31 100 | × | 49 5000 | ) | = | 62583 6250 | x | − | 56887947 3125000000 | x | − | 3066567 3125000000 | x | + | 62583 6250000 | ( | 100 | − | 909 5000 | − | 49 5000 | ) | ÷ | ( | 1 | + | 31 100 | × | 49 5000 | ) | × | ( | 1 | + | 31 100 | × | 49 5000 | ) | + | 169 500 | ( | x | + | 1 10 | ) |