4 | ( | 1 | + | 65 4 | x | ) | ÷ | x | × | ( | 1 | + | 100 | x | ) | = | 1 |
方程两边同时乘以: | x |
4 | ( | 1 | + | 65 4 | x | ) | ( | 1 | + | 100 | x | ) | = | 1 | x |
4 | × | 1 | ( | 1 | + | 100 | x | ) | + | 4 | × | 65 4 | x | ( | 1 | + | 100 | x | ) | = | 1 | x |
4 | ( | 1 | + | 100 | x | ) | + | 65 | x | ( | 1 | + | 100 | x | ) | = | 1 | x |
4 | × | 1 | + | 4 | × | 100 | x | + | 65 | x | ( | 1 | + | 100 | x | ) | = | 1 | x |
4 | + | 400 | x | + | 65 | x | ( | 1 | + | 100 | x | ) | = | 1 | x |
4 | + | 400 | x | + | 65 | x | × | 1 | + | 65 | x | × | 100 | x | = | 1 | x |
4 | + | 400 | x | + | 65 | x | + | 6500 | x | x | = | 1 | x |
4 | + | 465 | x | + | 6500 | x | x | = | 1 | x |