( | ( | 3220 | + | X | ) | × | 1 10 | + | 3220 | ) | × | 3 50 | + | 3220 | = | 18676 5 |
方程左边 = | ( | 3220 | + | X | ) | × | 1 10 | × | 3 50 | + | 3220 | × | 3 50 | + | 3220 |
= | ( | 3220 | + | X | ) | × | 3 500 | + | 966 5 | + | 3220 |
= | ( | 3220 | + | X | ) | × | 3 500 | + | 17066 5 |
= | 3220 | × | 3 500 | + | X | × | 3 500 | + | 17066 5 |
= | 483 25 | + | X | × | 3 500 | + | 17066 5 |
= | 85813 25 | + | 3 500 | X |
85813 25 | + | 3 500 | X | = | 18676 5 |
3 500 | X | = | 18676 5 | − | 85813 25 |
3 500 | X | = | 7567 25 |
X | = | 7567 25 | ÷ | 3 500 |
= | 7567 25 | × | 500 3 |
= | 7567 | × | 20 3 |
X | = | 151340 3 |
X | = | 50446.666667 |