21 8 | × | 809 2500 | ÷ | ( | 21 8 | − | 1343641 1000000 | ) | + | 2361 1000 | × | 6733 10000 | ÷ | ( | 2361 1000 | − | 1343641 1000000 | ) | + | 31 10000 | × | 1 | ÷ | ( | 1 | − | 1343641 1000000 | ) | = | x | + | 1 |
方程两边同时乘以: | ( | 21 8 | − | 1343641 1000000 | ) |
21 8 | × | 809 2500 | + | 2361 1000 | × | 6733 10000 | ÷ | ( | 2361 1000 | − | 1343641 1000000 | ) | × | ( | 21 8 | − | 1343641 1000000 | ) | + | 31 10000 | × | 1 | ÷ | ( | 1 | − | 1343641 1000000 | ) | × | ( | 21 8 | − | 1343641 1000000 | ) | = | x | ( | 21 8 | − | 1343641 1000000 | ) | + | 1 | ( | 21 8 | − | 1343641 1000000 | ) |
21 8 | × | 809 2500 | + | 2361 1000 | × | 6733 10000 | ÷ | ( | 2361 1000 | − | 1343641 1000000 | ) | × | 21 8 | − | 2361 1000 | × | 6733 10000 | ÷ | ( | 2361 1000 | − | 1343641 1000000 | ) | × | 1343641 1000000 | + | 31 10000 | × | 1 | = | x | ( | 21 8 | − | 1343641 1000000 | ) | + | 1 | ( | 21 8 | − | 1343641 1000000 | ) |
21 8 | × | 809 2500 | + | 2361 1000 | × | 6733 10000 | ÷ | ( | 2361 1000 | − | 1343641 1000000 | ) | × | 21 8 | − | 2361 1000 | × | 6733 10000 | ÷ | ( | 2361 1000 | − | 1343641 1000000 | ) | × | 1343641 1000000 | + | 31 10000 | × | 1 | = | x | × | 21 8 | − | x | × | 1343641 1000000 | + | 1 | ( | 21 8 | − | 1343641 1000000 | ) |