5322052 25 | + | ( | y | − | y | × | 17 20 | ) | ÷ | 21 20 | × | 1 20 | = | y |
方程左边 = | 5322052 25 | + | ( | y | − | y | × | 17 20 | ) | × | 1 21 |
5322052 25 | + | ( | y | − | y | × | 17 20 | ) | × | 1 21 | = | y |
方程左边 = | 5322052 25 | + | y | × | 1 21 | − | y | × | 17 20 | × | 1 21 |
= | 5322052 25 | + | y | × | 1 21 | − | y | × | 17 420 |
= | 5322052 25 | + | 1 140 | y |
5322052 25 | + | 1 140 | y | = | y |
1 140 | y | − | y | = | - | 5322052 25 |
- | 139 140 | y | = | - | 5322052 25 |
5322052 25 | = | 139 140 | y |
139 140 | y | = | 5322052 25 |
y | = | 5322052 25 | ÷ | 139 140 |
= | 5322052 25 | × | 140 139 |
= | 5322052 5 | × | 28 139 |
y | = | 149017456 695 |
y | = | 214413.605755 |