28 5 | ( | 2 | v | − | 10 | ) | ÷ | ( | v | − | 10 | ) | − | 28 5 | ( | 2 | v | − | 10 | ) | ÷ | v | = | 3 4 |
| 方程两边同时乘以: | ( | v | − | 10 | ) |
28 5 | ( | 2 | v | − | 10 | ) | − | 28 5 | ( | 2 | v | − | 10 | ) | ÷ | v | × | ( | v | − | 10 | ) | = | 3 4 | ( | v | − | 10 | ) |
28 5 | × | 2 | v | − | 28 5 | × | 10 | − | 28 5 | ( | 2 | v | − | 10 | ) | ÷ | v | × | ( | v | − | 10 | ) | = | 3 4 | ( | v | − | 10 | ) |
28 5 | × | 2 | v | − | 28 5 | × | 10 | − | 28 5 | ( | 2 | v | − | 10 | ) | ÷ | v | × | ( | v | − | 10 | ) | = | 3 4 | v | − | 3 4 | × | 10 |
56 5 | v | − | 56 | − | 28 5 | ( | 2 | v | − | 10 | ) | ÷ | v | × | ( | v | − | 10 | ) | = | 3 4 | v | − | 15 2 |
| 方程两边同时乘以: | v |
56 5 | v | v | − | 56 | v | − | 28 5 | ( | 2 | v | − | 10 | ) | ( | v | − | 10 | ) | = | 3 4 | v | v | − | 15 2 | v |
56 5 | v | v | − | 56 | v | − | 28 5 | × | 2 | v | ( | v | − | 10 | ) | + | 28 5 | × | 10 | ( | v | − | 10 | ) | = | 3 4 | v | v | − | 15 2 | v |
56 5 | v | v | − | 56 | v | − | 56 5 | v | ( | v | − | 10 | ) | + | 56 | ( | v | − | 10 | ) | = | 3 4 | v | v | − | 15 2 | v |
56 5 | v | v | − | 56 | v | − | 56 5 | v | v | + | 56 5 | v | × | 10 | + | 56 | = | 3 4 | v | v | − | 15 2 | v |
56 5 | v | v | − | 56 | v | − | 56 5 | v | v | + | 112 | v | + | 56 | ( | v | − | 10 | ) | = | 3 4 | v | v | − | 15 2 | v |
56 5 | v | v | + | 56 | v | − | 56 5 | v | v | + | 56 | ( | v | − | 10 | ) | = | 3 4 | v | v | − | 15 2 | v |
56 5 | v | v | + | 56 | v | − | 56 5 | v | v | + | 56 | v | − | 56 | × | 10 | = | 3 4 | v | v | − | 15 2 | v |
56 5 | v | v | + | 56 | v | − | 56 5 | v | v | + | 56 | v | − | 560 | = | 3 4 | v | v | − | 15 2 | v |
56 5 | v | v | + | 112 | v | − | 56 5 | v | v | − | 560 | = | 3 4 | v | v | − | 15 2 | v |