y | = | ( | 529 2000 | × | 199 1000 | + | 1 5 | × | 1 5 | ) | ÷ | ( | 529 2000 | × | 191 500 | ) |
方程两边同时乘以: | ( | 529 2000 | × | 191 500 | ) |
y | ( | 529 2000 | × | 191 500 | ) | = | ( | 529 2000 | × | 199 1000 | + | 1 5 | × | 1 5 | ) |
y | × | 529 2000 | × | 191 500 | = | ( | 529 2000 | × | 199 1000 | + | 1 5 | × | 1 5 | ) |
y | × | 529 2000 | × | 191 500 | = | 529 2000 | × | 199 1000 | + | 1 5 | × | 1 5 |
y | × | 101039 1000000 | = | 105271 2000000 | + | 1 25 |
101039 1000000 | y | = | 185271 2000000 |
y | = | 185271 2000000 | ÷ | 101039 1000000 |
= | 185271 2000000 | × | 1000000 101039 |
= | 185271 2 | × | 1 101039 |
y | = | 185271 202078 |
y | = | 0.916829 |