( | 670560 | + | x | ) | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) | + | 295300 | = | 135827149 50 |
方程左边 = | 670560 | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) | + | x | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) | + | 295300 |
= | 670560 | × | 1 | + | 670560 | × | 3 25 | + | 670560 | × | 1 10 | + | 670560 | × | 7 1000 | + | 670560 | × | 3 1000 | + | x | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) |
= | 670560 | + | 402336 5 | + | 67056 | + | 117348 25 | + | 50292 25 | + | x | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) | + | 295300 |
= | 5600444 5 | + | x | ( | 1 | + | 3 25 | + | 1 10 | + | 7 1000 | + | 3 1000 | ) |
= | 5600444 5 | + | x | × | 1 | + | x | × | 3 25 | + | x | × | 1 10 | + | x | × | 7 1000 | + | x | × | 3 1000 |
= | 5600444 5 | + | 123 100 | x |
5600444 5 | + | 123 100 | x | = | 135827149 50 |
123 100 | x | = | 135827149 50 | − | 5600444 5 |
123 100 | x | = | 79822709 50 |
x | = | 79822709 50 | ÷ | 123 100 |
= | 79822709 50 | × | 100 123 |
= | 79822709 | × | 2 123 |
x | = | 159645418 123 |
x | = | 1297930.227642 |