K | = | ( | 2871 50 | + | 0 | + | 0 | + | 0 | + | 89 50 | ) | ÷ | ( | 1 | − | 3 200 | − | 53 100000 | − | 1 5 | ) |
方程两边同时乘以: | ( | 1 | − | 3 200 | − | 53 100000 | − | 1 5 | ) |
K | ( | 1 | − | 3 200 | − | 53 100000 | − | 1 5 | ) | = | ( | 2871 50 | + | 0 | + | 0 | + | 0 | + | 89 50 | ) |
K | × | 1 | − | K | × | 3 200 | − | K | × | 53 100000 | − | K | × | 1 5 | = | ( | 2871 50 | + | 0 | + | 0 | + | 0 | + | 89 50 | ) |
K | × | 1 | − | K | × | 3 200 | − | K | × | 53 100000 | − | K | × | 1 5 | = | 2871 50 | + | 0 | + | 0 | + | 0 | + | 89 50 |
78447 100000 | K | = | 296 5 |
K | = | 296 5 | ÷ | 78447 100000 |
= | 296 5 | × | 100000 78447 |
= | 296 | × | 20000 78447 |
K | = | 5920000 78447 |
K | = | 75.464964 |