( | y | − | 3859 50 | ) | ÷ | 3859 50 | × | 100 | − | ( | 39 10 | ) | = | ( | y | − | 8019 100 | ) | ÷ | 8019 100 | × | 100 |
方程左边 = | ( | y | − | 3859 50 | ) | × | 5000 3859 | − | ( | 39 10 | ) |
( | y | − | 3859 50 | ) | × | 5000 3859 | − | ( | 39 10 | ) | = | ( | y | − | 8019 100 | ) | ÷ | 8019 100 | × | 100 |
方程左边 = | y | × | 5000 3859 | − | 3859 50 | × | 5000 3859 | − | ( | 39 10 | ) |
= | y | × | 5000 3859 | − | 100 | − | ( | 39 10 | ) |
= | 5000 3859 | y | − | 100 | − | 39 10 |
= | 5000 3859 | y | − | 1039 10 |
5000 3859 | y | − | 1039 10 | = | ( | y | − | 8019 100 | ) | ÷ | 8019 100 | × | 100 |
方程右边 = | ( | y | − | 8019 100 | ) | × | 10000 8019 |
5000 3859 | y | − | 1039 10 | = | ( | y | − | 8019 100 | ) | × | 10000 8019 |
方程右边 = | y | × | 10000 8019 | − | 8019 100 | × | 10000 8019 |
= | y | × | 10000 8019 | − | 100 |
5000 3859 | y | − | 1039 10 | = | 10000 8019 | y | − | 100 |
5000 3859 | y | − | 10000 8019 | y | = | - | 100 | + | 1039 10 |
1505000 30945321 | y | = | - | 100 | + | 1039 10 |
1505000 30945321 | y | = | 39 10 |
y | = | 39 10 | ÷ | 1505000 30945321 |
= | 39 10 | × | 30945321 1505000 |
y | = | 1206867519 15050000 |
y | = | 80.190533 |