( | 3 50 | − | i | ) | ÷ | ( | 3 50 | − | 7 100 | ) | = | ( | 10531 2500 | − | 21 5 | ) | ÷ | ( | 10531 2500 | − | 20501 5000 | ) |
方程两边同时乘以: | ( | 3 50 | − | 7 100 | ) | , | ( | 10531 2500 | − | 20501 5000 | ) |
( | 3 50 | − | i | ) | ( | 10531 2500 | − | 20501 5000 | ) | = | ( | 10531 2500 | − | 21 5 | ) | ( | 3 50 | − | 7 100 | ) |
3 50 | ( | 10531 2500 | − | 20501 5000 | ) | − | i | ( | 10531 2500 | − | 20501 5000 | ) | = | ( | 10531 2500 | − | 21 5 | ) | ( | 3 50 | − | 7 100 | ) |
3 50 | ( | 10531 2500 | − | 20501 5000 | ) | − | i | ( | 10531 2500 | − | 20501 5000 | ) | = | 10531 2500 | ( | 3 50 | − | 7 100 | ) | − | 21 5 | ( | 3 50 | − | 7 100 | ) |
3 50 | × | 10531 2500 | − | 3 50 | × | 20501 5000 | − | i | ( | 10531 2500 | − | 20501 5000 | ) | = | 10531 2500 | ( | 3 50 | − | 7 100 | ) | − | 21 5 | ( | 3 50 | − | 7 100 | ) |
3 50 | × | 10531 2500 | − | 3 50 | × | 20501 5000 | − | i | ( | 10531 2500 | − | 20501 5000 | ) | = | 10531 2500 | × | 3 50 | − | 10531 2500 | × | 7 100 | − | 21 5 | ( | 3 50 | − | 7 100 | ) |
31593 125000 | − | 61503 250000 | − | i | ( | 10531 2500 | − | 20501 5000 | ) | = | 31593 125000 | − | 73717 250000 | − | 21 5 | ( | 3 50 | − | 7 100 | ) |