140 | × | 8991 2500 | + | 4 | × | 3 | + | 4 | × | 2 | + | 17 5 | × | 2 | + | 4 | = | ( | 140 | + | 3 | + | 2 | + | 2 | + | 1 | ) | x |
方程左边 = | 62937 125 | + | 12 | + | 8 | + | 34 5 | + | 4 |
= | 66787 125 |
66787 125 | = | ( | 140 | + | 3 | + | 2 | + | 2 | + | 1 | ) | x |
方程右边 = | 140 | x | + | 3 | x | + | 2 | x | + | 2 | x | + | 1 | x |
= | 148 | x |
66787 125 | = | 148 | x |
- | 148 | x | = | - | 66787 125 |
66787 125 | = | 148 | x |
148 | x | = | 66787 125 |
x | = | 66787 125 | ÷ | 148 |
= | 66787 125 | × | 1 148 |
x | = | 66787 18500 |
x | = | 3.610108 |