3 5 | ( | 1 | + | y | ) | ÷ | 12 | × | ( | 1 | − | 6 100 | ) | + | y | = | 11 100 |
方程左边 = | 1 20 | ( | 1 | + | y | ) | ( | 1 | − | 6 100 | ) | + | y |
1 20 | ( | 1 | + | y | ) | ( | 1 | − | 6 100 | ) | + | y | = | 11 100 |
方程左边 = | 1 20 | × | 1 | ( | 1 | − | 6 100 | ) | + | 1 20 | y | ( | 1 | − | 6 100 | ) | + | y |
= | 1 20 | ( | 1 | − | 6 100 | ) | + | 1 20 | y | ( | 1 | − | 6 100 | ) | + | y |
= | 1 20 | × | 1 | − | 1 20 | × | 6 100 | + | 1 20 | y | ( | 1 | − | 6 100 | ) | + | y |
= | 1 20 | − | 3 1000 | + | 1 20 | y | ( | 1 | − | 6 100 | ) | + | y |
= | 47 1000 | + | 1 20 | y | ( | 1 | − | 6 100 | ) | + | y |
= | 47 1000 | + | 1 20 | y | × | 1 | − | 1 20 | y | × | 6 100 | + | y |
= | 47 1000 | + | 1 20 | y | − | 3 1000 | y | + | y |
= | 47 1000 | + | 1047 1000 | y |
47 1000 | + | 1047 1000 | y | = | 11 100 |
1047 1000 | y | = | 11 100 | − | 47 1000 |
1047 1000 | y | = | 63 1000 |
y | = | 63 1000 | ÷ | 1047 1000 |
= | 63 1000 | × | 1000 1047 |
= | 21 | × | 1 349 |
y | = | 21 349 |
y | = | 0.060172 |