( | 301 2 | + | 372 | ) | ÷ | 31 | × | x | + | 101 | ÷ | 31 | × | ( | x | + | 15 | ) | + | 124 | ÷ | 31 | × | ( | x | + | 30 | ) | = | 1526 |
方程左边 = | ( | 301 2 | + | 372 | ) | × | 1 31 | x | + | 101 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
( | 301 2 | + | 372 | ) | × | 1 31 | x | + | 101 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) | = | 1526 |
方程左边 = | 301 2 | × | 1 31 | x | + | 372 | × | 1 31 | x | + | 101 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 301 62 | x | + | 12 | x | + | 101 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 1045 62 | x | + | 101 31 | ( | x | + | 15 | ) | + | 4 | ( | x | + | 30 | ) |
= | 1045 62 | x | + | 101 31 | x | + | 101 31 | × | 15 | + | 4 | ( | x | + | 30 | ) |
= | 1045 62 | x | + | 101 31 | x | + | 1515 31 | + | 4 | ( | x | + | 30 | ) |
= | 1247 62 | x | + | 1515 31 | + | 4 | ( | x | + | 30 | ) |
= | 1247 62 | x | + | 1515 31 | + | 4 | x | + | 4 | × | 30 |
= | 1247 62 | x | + | 1515 31 | + | 4 | x | + | 120 |
= | 1495 62 | x | + | 5235 31 |
1495 62 | x | + | 5235 31 | = | 1526 |
1495 62 | x | = | 1526 | − | 5235 31 |
1495 62 | x | = | 42071 31 |
x | = | 42071 31 | ÷ | 1495 62 |
= | 42071 31 | × | 62 1495 |
= | 42071 | × | 2 1495 |
x | = | 84142 1495 |
x | = | 56.282274 |