1 | ÷ | D | + | 1 | ÷ | ( | D | + | 2 | ) | + | 1 | ÷ | ( | D | + | 5 | ) | = | 0 |
方程两边同时乘以: | D |
1 | + | 1 | ÷ | ( | D | + | 2 | ) | × | D | + | 1 | ÷ | ( | D | + | 5 | ) | × | D | = | 0 |
方程两边同时乘以: | ( | D | + | 2 | ) |
1 | ( | D | + | 2 | ) | + | 1 | D | + | 1 | ÷ | ( | D | + | 5 | ) | × | D | ( | D | + | 2 | ) | = | 0 |
1 | D | + | 1 | × | 2 | + | 1 | D | + | 1 | ÷ | ( | D | + | 5 | ) | × | D | ( | D | + | 2 | ) | = | 0 |
1 | D | + | 2 | + | 1 | D | + | 1 | ÷ | ( | D | + | 5 | ) | × | D | ( | D | + | 2 | ) | = | 0 |
2 | D | + | 2 | + | 1 | ÷ | ( | D | + | 5 | ) | × | D | ( | D | + | 2 | ) | = | 0 |
方程两边同时乘以: | ( | D | + | 5 | ) |
2 | D | ( | D | + | 5 | ) | + | 2 | ( | D | + | 5 | ) | + | 1 | D | ( | D | + | 2 | ) | = | 0 |
2 | D | D | + | 2 | D | × | 5 | + | 2 | ( | D | + | 5 | ) | + | 1 | D | ( | D | + | 2 | ) | = | 0 |
2 | D | D | + | 10 | D | + | 2 | ( | D | + | 5 | ) | + | 1 | D | ( | D | + | 2 | ) | = | 0 |
2 | D | D | + | 10 | D | + | 2 | D | + | 2 | × | 5 | + | 1 | D | ( | D | + | 2 | ) | = | 0 |
2 | D | D | + | 10 | D | + | 2 | D | + | 10 | + | 1 | D | ( | D | + | 2 | ) | = | 0 |
2 | D | D | + | 12 | D | + | 10 | + | 1 | D | ( | D | + | 2 | ) | = | 0 |
2 | D | D | + | 12 | D | + | 10 | + | 1 | D | D | + | 1 | D | × | 2 | = | 0 |
2 | D | D | + | 12 | D | + | 10 | + | 1 | D | D | + | 2 | D | = | 0 |
2 | D | D | + | 14 | D | + | 10 | + | 1 | D | D | = | 0 |