y | = | ( | 529 2000 | × | 57 250 | + | 1 5 | × | 229 1000 | ) | ÷ | ( | 529 2000 | × | 413 1000 | ) |
方程两边同时乘以: | ( | 529 2000 | × | 413 1000 | ) |
y | ( | 529 2000 | × | 413 1000 | ) | = | ( | 529 2000 | × | 57 250 | + | 1 5 | × | 229 1000 | ) |
y | × | 529 2000 | × | 413 1000 | = | ( | 529 2000 | × | 57 250 | + | 1 5 | × | 229 1000 | ) |
y | × | 529 2000 | × | 413 1000 | = | 529 2000 | × | 57 250 | + | 1 5 | × | 229 1000 |
y | × | 218477 2000000 | = | 30153 500000 | + | 229 5000 |
218477 2000000 | y | = | 53053 500000 |
y | = | 53053 500000 | ÷ | 218477 2000000 |
= | 53053 500000 | × | 2000000 218477 |
= | 7579 | × | 4 31211 |
y | = | 30316 31211 |
y | = | 0.971324 |