y | = | ( | 529 2000 | × | 41 500 | + | 1 5 | × | 659 1000 | ) | ÷ | ( | 529 2000 | × | 117 200 | ) |
方程两边同时乘以: | ( | 529 2000 | × | 117 200 | ) |
y | ( | 529 2000 | × | 117 200 | ) | = | ( | 529 2000 | × | 41 500 | + | 1 5 | × | 659 1000 | ) |
y | × | 529 2000 | × | 117 200 | = | ( | 529 2000 | × | 41 500 | + | 1 5 | × | 659 1000 | ) |
y | × | 529 2000 | × | 117 200 | = | 529 2000 | × | 41 500 | + | 1 5 | × | 659 1000 |
y | × | 61893 400000 | = | 21689 1000000 | + | 659 5000 |
61893 400000 | y | = | 153489 1000000 |
y | = | 153489 1000000 | ÷ | 61893 400000 |
= | 153489 1000000 | × | 400000 61893 |
= | 51163 5 | × | 2 20631 |
y | = | 102326 103155 |
y | = | 0.991964 |