y | = | ( | 529 2000 | × | 301 1000 | + | 1 5 | × | 151 500 | ) | ÷ | ( | 529 2000 | × | 557 1000 | ) |
方程两边同时乘以: | ( | 529 2000 | × | 557 1000 | ) |
y | ( | 529 2000 | × | 557 1000 | ) | = | ( | 529 2000 | × | 301 1000 | + | 1 5 | × | 151 500 | ) |
y | × | 529 2000 | × | 557 1000 | = | ( | 529 2000 | × | 301 1000 | + | 1 5 | × | 151 500 | ) |
y | × | 529 2000 | × | 557 1000 | = | 529 2000 | × | 301 1000 | + | 1 5 | × | 151 500 |
y | × | 294653 2000000 | = | 159229 2000000 | + | 151 2500 |
294653 2000000 | y | = | 280029 2000000 |
y | = | 280029 2000000 | ÷ | 294653 2000000 |
= | 280029 2000000 | × | 2000000 294653 |
= | 280029 | × | 1 294653 |
y | = | 280029 294653 |
y | = | 0.950369 |