10 | ÷ | ( | w | w | ( | 1 | + | w | w | ) | ( | 1 | + | 1 5 | w | × | 1 5 | w | ) | ) | = | 100 |
方程两边同时乘以: | ( | w | w | ( | 1 | + | w | w | ) | ( | 1 | + | 1 5 | w | × | 1 5 | w | ) | ) |
10 | = | 100 | ( | w | w | ( | 1 | + | w | w | ) | ( | 1 | + | 1 5 | w | × | 1 5 | w | ) | ) |
10 | = | 100 | w | w | ( | 1 | + | w | w | ) | ( | 1 | + | 1 5 | w | × | 1 5 | w | ) |
10 | = | 100 | w | w | × | 1 | ( | 1 | + | 1 5 | w | × | 1 5 | w | ) | + | 100 | w | w | w | w | ( | 1 | + | 1 5 | w | × | 1 5 | w | ) |
10 | = | 100 | w | w | ( | 1 | + | 1 5 | w | × | 1 5 | w | ) | + | 100 | w | w | w | w | ( | 1 | + | 1 5 | w | × | 1 5 | w | ) |
10 | = | 100 | w | w | × | 1 | + | 100 | w | w | × | 1 5 | w | × | 1 5 | w | + | 100 |
10 | = | 100 | w | w | + | 4 | w | w | w | w | + | 100 | w | w | w |
10 | = | 100 | w | w | + | 4 | w | w | w | w | + | 100 | w | w | w |
10 | = | 100 | w | w | + | 4 | w | w | w | w | + | 100 | w | w | w |