| 2000 | × | 2000 | ( | 1 | + | 9 250 | × | 9 250 | a | a | ) | = | a | a | ( | 1 | + | 9 1000 | × | 9 1000 | a | a | ) | ( | 100 | + | a | a | ) |
| Left side of the equation = | 4000000 | ( | 1 | + | 9 250 | × | 9 250 | a | a | ) |
| 4000000 | ( | 1 | + | 9 250 | × | 9 250 | a | a | ) | = | a | a | ( | 1 | + | 9 1000 | × | 9 1000 | a | a | ) | ( | 100 | + | a | a | ) |
| Left side of the equation = | 4000000 | × | 1 | + | 4000000 | × | 9 250 | × | 9 250 | a | a |
| = | 4000000 | + | 5184 | a | a |
| 4000000 | + | 5184 | a | a | = | a | a | ( | 1 | + | 9 1000 | × | 9 1000 | a | a | ) | ( | 100 | + | a | a | ) |
| Right side of the equation = | a | a | × | 1 | ( | 100 | + | a | a | ) | + | a | a | × | 9 1000 | × | 9 1000 | a | a | ( | 100 | + | a | a | ) |
| = | a | a | × | 1 | ( | 100 | + | a | a | ) | + | a | a | × | 81 1000000 | a | a | ( | 100 | + | a | a | ) |
| = | a | a | × | 1 | × | 100 | + | a | a | × | 1 | a | a | + | a | a | × | 81 1000000 |
| = | a | a | × | 100 | + | a | a | × | 1 | a | a | + | a | a | × | 81 1000000 | a |
| = | a | a | × | 100 | + | a | a | × | 1 | a | a | + | a | a | × | 81 1000000 | a |
| = | a | a | × | 100 | + | a | a | × | 1 | a | a | + | a | a | × | 81 10000 | a |
| 4000000 | + | 5184 | a | a | = | a | a | × | 100 | + | a | a | × | 1 | a | a | + | a | a | × | 81 10000 | a |