221483 20 | = | ( | 220 | × | 63 | − | x | ) | × | 19 20 | + | 8 | × | 63 |
方程右边 = | ( | 220 | × | 63 | − | x | ) | × | 19 20 | + | 504 |
221483 20 | = | ( | 220 | × | 63 | − | x | ) | × | 19 20 | + | 504 |
方程右边 = | 220 | × | 63 | × | 19 20 | − | x | × | 19 20 | + | 504 |
= | 13167 | − | x | × | 19 20 | + | 504 |
= | 13671 | − | 19 20 | x |
221483 20 | = | 13671 | − | 19 20 | x |
19 20 | x | = | 13671 | − | 221483 20 |
19 20 | x | = | 51937 20 |
x | = | 51937 20 | ÷ | 19 20 |
= | 51937 20 | × | 20 19 |
= | 51937 | × | 1 19 |
x | = | 51937 19 |
x | = | 2733.526316 |