x | ÷ | 31 10 | + | 13 10 | x | ÷ | 131 50 | + | 3 | x | ÷ | 11 4 | + | 29 50 | x | ÷ | 1 | + | 10 | = | 1000 |
方程左边 = | x | × | 10 31 | + | 65 131 | x | + | 12 11 | x | + | 29 50 | x | + | 10 |
= | 5560809 2233550 | x | + | 10 |
5560809 2233550 | x | + | 10 | = | 1000 |
5560809 2233550 | x | = | 1000 | − | 10 |
5560809 2233550 | x | = | 990 |
x | = | 990 | ÷ | 5560809 2233550 |
= | 990 | × | 2233550 5560809 |
= | 330 | × | 2233550 1853603 |
x | = | 737071500 1853603 |
x | = | 397.642591 |