| x | + | x | ( | 3 | + | 2 | + | 3 2 | + | 10 | ) | × | 1 100 | + | ( | x | + | x | ( | 3 | + | 2 | + | 3 2 | + | 10 | ) | × | 1 100 | ) | × | 3 100 | = | 1847200 |
| 方程左边 = | x | + | x | × | 3 | × | 1 100 | + | x | × | 2 | × | 1 100 | + | x | × | 3 2 | × | 1 100 | + | x | × | 10 |
| = | x | + | x | × | 3 100 | + | x | × | 1 50 | + | x | × | 3 200 | + | x | × | 1 10 | + | ( | x | + | x | ( | 3 | + | 2 | + | 3 2 | + | 10 | ) | × | 1 100 | ) | × | 3 100 |
| = | 233 200 | x | + | ( | x | + | x | ( | 3 | + | 2 | + | 3 2 | + | 10 | ) | × | 1 100 | ) | × | 3 100 |
| = | 233 200 | x | + | x | × | 3 100 | + | x | ( | 3 | + | 2 | + | 3 2 | + | 10 | ) | × | 1 100 | × | 3 100 |
| = | 233 200 | x | + | x | × | 3 100 | + | x | ( | 3 | + | 2 | + | 3 2 | + | 10 | ) | × | 3 10000 |
| = | 239 200 | x | + | x | ( | 3 | + | 2 | + | 3 2 | + | 10 | ) | × | 3 10000 |
| = | 239 200 | x | + | x | × | 3 | × | 3 10000 | + | x | × | 2 | × | 3 10000 | + | x | × | 3 2 | × | 3 10000 | + | x |
| = | 239 200 | x | + | x | × | 9 10000 | + | x | × | 3 5000 | + | x | × | 9 20000 | + | x | × | 3 1000 |
| = | 23999 20000 | x |
23999 20000 | x | = | 1847200 |
| x | = | 1847200 | ÷ | 23999 20000 |
| = | 1847200 | × | 20000 23999 |
| x | = | 36944000000 23999 |