| 64 | ( | 160 | + | a | ) | = | ( | 96 | + | a | ) | ( | 96 | + | a | ) |
| 方程左边 = | 64 | × | 160 | + | 64 | a |
| = | 10240 | + | 64 | a |
| 10240 | + | 64 | a | = | ( | 96 | + | a | ) | ( | 96 | + | a | ) |
| 方程右边 = | 96 | ( | 96 | + | a | ) | + | a | ( | 96 | + | a | ) |
| = | 96 | × | 96 | + | 96 | a | + | a | ( | 96 | + | a | ) |
| = | 9216 | + | 96 | a | + | a | ( | 96 | + | a | ) |
| = | 9216 | + | 96 | a | + | a | × | 96 | + | a | a |
| = | 9216 | + | 192 | a | + | a | a |
| 10240 | + | 64 | a | = | 9216 | + | 192 | a | + | a | a |