123 100 | ÷ | 31 25 | × | ( | 31 25 | + | 2 | x | ) | = | 30 |
方程左边 = | 123 124 | ( | 31 25 | + | 2 | x | ) |
123 124 | ( | 31 25 | + | 2 | x | ) | = | 30 |
方程左边 = | 123 124 | × | 31 25 | + | 123 124 | × | 2 | x |
= | 123 100 | + | 123 62 | x |
123 100 | + | 123 62 | x | = | 30 |
123 62 | x | = | 30 | − | 123 100 |
123 62 | x | = | 2877 100 |
x | = | 2877 100 | ÷ | 123 62 |
= | 2877 100 | × | 62 123 |
= | 959 50 | × | 31 41 |
x | = | 29729 2050 |
x | = | 14.501951 |