( | 22853221 20 | + | x | ) | ( | 1 | + | 13 100 | + | 9 100 | + | 1 10 | + | 3 1000 | ) | + | 294500 | = | 51675029 20 |
方程左边 = | 22853221 20 | ( | 1 | + | 13 100 | + | 9 100 | + | 1 10 | + | 3 1000 | ) | + | x | ( | 1 | + | 13 100 | + | 9 100 | + | 1 10 | + | 3 1000 | ) | + | 294500 |
= | 22853221 20 | × | 1 | + | 22853221 20 | × | 13 100 | + | 22853221 20 | × | 9 100 | + | 22853221 20 | × | 1 10 | + | 22853221 20 | × | 3 1000 | + | x | ( | 1 | + | 13 100 | + | 9 100 | + | 1 10 | + | 3 1000 | ) |
= | 22853221 20 | + | 297091873 2000 | + | 205678989 2000 | + | 22853221 200 | + | 68559663 20000 | + | x | ( | 1 | + | 13 100 | + | 9 100 | + | 1 10 | + | 3 1000 | ) | + | 294500 |