987 5 | + | ( | 25 | − | x | ) | × | 108 25 | = | ( | 50 | + | 216 | + | 162 25 | x | ) | ÷ | 3 2 |
方程左边 = | 987 5 | + | 25 | × | 108 25 | − | x | × | 108 25 |
= | 987 5 | + | 108 | − | x | × | 108 25 |
= | 1527 5 | − | 108 25 | x |
1527 5 | − | 108 25 | x | = | ( | 50 | + | 216 | + | 162 25 | x | ) | ÷ | 3 2 |
方程右边 = | 50 | × | 2 3 | + | 216 | × | 2 3 | + | 162 25 | x | × | 2 3 |
= | 100 3 | + | 144 | + | 108 25 | x |
= | 532 3 | + | 108 25 | x |
1527 5 | − | 108 25 | x | = | 532 3 | + | 108 25 | x |
- | 108 25 | x | − | 108 25 | x | = | 532 3 | − | 1527 5 |
- | 216 25 | x | = | 532 3 | − | 1527 5 |
- | 216 25 | x | = | - | 1921 15 |
1921 15 | = | 216 25 | x |
216 25 | x | = | 1921 15 |
x | = | 1921 15 | ÷ | 216 25 |
= | 1921 15 | × | 25 216 |
= | 1921 3 | × | 5 216 |
x | = | 9605 648 |
x | = | 14.822531 |