( | i | − | 7 100 | ) | ÷ | ( | 8 100 | − | 7 100 | ) | = | ( | 4 | − | 20501 5000 | ) | ÷ | ( | 39927 10000 | − | 4 | ) |
方程两边同时乘以: | ( | 8 100 | − | 7 100 | ) | , | ( | 39927 10000 | − | 4 | ) |
( | i | − | 7 100 | ) | ( | 39927 10000 | − | 4 | ) | = | ( | 4 | − | 20501 5000 | ) | ( | 8 100 | − | 7 100 | ) |
i | ( | 39927 10000 | − | 4 | ) | − | 7 100 | ( | 39927 10000 | − | 4 | ) | = | ( | 4 | − | 20501 5000 | ) | ( | 8 100 | − | 7 100 | ) |
i | ( | 39927 10000 | − | 4 | ) | − | 7 100 | ( | 39927 10000 | − | 4 | ) | = | 4 | ( | 8 100 | − | 7 100 | ) | − | 20501 5000 | ( | 8 100 | − | 7 100 | ) |
i | × | 39927 10000 | − | i | × | 4 | − | 7 100 | ( | 39927 10000 | − | 4 | ) | = | 4 | ( | 8 100 | − | 7 100 | ) | − | 20501 5000 | ( | 8 100 | − | 7 100 | ) |
i | × | 39927 10000 | − | i | × | 4 | − | 7 100 | ( | 39927 10000 | − | 4 | ) | = | 4 | × | 8 100 | − | 4 | × | 7 100 | − | 20501 5000 | ( | 8 100 | − | 7 100 | ) |
i | × | 39927 10000 | − | i | × | 4 | − | 7 100 | ( | 39927 10000 | − | 4 | ) | = | 8 25 | − | 7 25 | − | 20501 5000 | ( | 8 100 | − | 7 100 | ) |
- | 73 10000 | i | − | 7 100 | ( | 39927 10000 | − | 4 | ) | = | 1 25 | − | 20501 5000 | ( | 8 100 | − | 7 100 | ) |
- | 73 10000 | i | − | 7 100 | × | 39927 10000 | + | 7 100 | × | 4 | = | 1 25 | − | 20501 5000 | ( | 8 100 | − | 7 100 | ) |
- | 73 10000 | i | − | 7 100 | × | 39927 10000 | + | 7 100 | × | 4 | = | 1 25 | − | 20501 5000 | × | 8 100 | + | 20501 5000 | × | 7 100 |
- | 73 10000 | i | − | 279489 1000000 | + | 7 25 | = | 1 25 | − | 20501 62500 | + | 143507 500000 |