128 | ( | 1 | + | x | ) | ( | 1 | + | x | ) | = | 608 |
方程左边 = | 128 | × | 1 | ( | 1 | + | x | ) | + | 128 | x | ( | 1 | + | x | ) |
= | 128 | ( | 1 | + | x | ) | + | 128 | x | ( | 1 | + | x | ) |
= | 128 | × | 1 | + | 128 | x | + | 128 | x | ( | 1 | + | x | ) |
= | 128 | + | 128 | x | + | 128 | x | ( | 1 | + | x | ) |
= | 128 | + | 128 | x | + | 128 | x | × | 1 | + | 128 | x | x |
= | 128 | + | 128 | x | + | 128 | x | + | 128 | x | x |
= | 128 | + | 256 | x | + | 128 | x | x |
128 | + | 256 | x | + | 128 | x | x | = | 608 |