y | = | ( | 529 2000 | × | 109 500 | + | 1 5 | × | 211 1000 | ) | ÷ | ( | 529 2000 | × | 103 250 | ) |
方程两边同时乘以: | ( | 529 2000 | × | 103 250 | ) |
y | ( | 529 2000 | × | 103 250 | ) | = | ( | 529 2000 | × | 109 500 | + | 1 5 | × | 211 1000 | ) |
y | × | 529 2000 | × | 103 250 | = | ( | 529 2000 | × | 109 500 | + | 1 5 | × | 211 1000 | ) |
y | × | 529 2000 | × | 103 250 | = | 529 2000 | × | 109 500 | + | 1 5 | × | 211 1000 |
y | × | 54487 500000 | = | 57661 1000000 | + | 211 5000 |
54487 500000 | y | = | 99861 1000000 |
y | = | 99861 1000000 | ÷ | 54487 500000 |
= | 99861 1000000 | × | 500000 54487 |
= | 99861 2 | × | 1 54487 |
y | = | 99861 108974 |
y | = | 0.916375 |