13529 100 | ÷ | ( | 1 | + | X | ÷ | 12 | × | 6 | ) | + | 39 100 | ÷ | ( | 1 | + | X | ) | = | 128 |
| 方程两边同时乘以: | ( | 1 | + | X | ÷ | 12 | × | 6 | ) |
13529 100 | + | 39 100 | ÷ | ( | 1 | + | X | ) | × | ( | 1 | + | X | ÷ | 12 | × | 6 | ) | = | 128 | ( | 1 | + | X | ÷ | 12 | × | 6 | ) |
13529 100 | + | 39 100 | ÷ | ( | 1 | + | X | ) | × | 1 | + | 39 100 | ÷ | ( | 1 | + | X | ) | × | X | ÷ | 12 | × | 6 | = | 128 | ( | 1 | + | X | ÷ | 12 | × | 6 | ) |
13529 100 | + | 39 100 | ÷ | ( | 1 | + | X | ) | × | 1 | + | 39 100 | ÷ | ( | 1 | + | X | ) | × | X | ÷ | 12 | × | 6 | = | 128 | × | 1 | + | 128 | X | ÷ | 12 | × | 6 |
13529 100 | + | 39 100 | ÷ | ( | 1 | + | X | ) | + | 39 200 | ÷ | ( | 1 | + | X | ) | × | X | = | 128 | + | 64 | X |
| 方程两边同时乘以: | ( | 1 | + | X | ) |
13529 100 | ( | 1 | + | X | ) | + | 39 100 | + | 39 200 | X | = | 128 | ( | 1 | + | X | ) | + | 64 | X | ( | 1 | + | X | ) |
13529 100 | × | 1 | + | 13529 100 | X | + | 39 100 | + | 39 200 | X | = | 128 | ( | 1 | + | X | ) | + | 64 | X | ( | 1 | + | X | ) |
13529 100 | × | 1 | + | 13529 100 | X | + | 39 100 | + | 39 200 | X | = | 128 | × | 1 | + | 128 | X | + | 64 | X | ( | 1 | + | X | ) |
13529 100 | + | 13529 100 | X | + | 39 100 | + | 39 200 | X | = | 128 | + | 128 | X | + | 64 | X | ( | 1 | + | X | ) |
3392 25 | + | 27097 200 | X | = | 128 | + | 128 | X | + | 64 | X | ( | 1 | + | X | ) |
3392 25 | + | 27097 200 | X | = | 128 | + | 128 | X | + | 64 | X | × | 1 | + | 64 | X | X |
3392 25 | + | 27097 200 | X | = | 128 | + | 128 | X | + | 64 | X | + | 64 | X | X |
3392 25 | + | 27097 200 | X | = | 128 | + | 192 | X | + | 64 | X | X |