( | 8973 | + | 1211 25 | + | X | ) | × | 31 1000 | = | 4 | X |
方程左边 = | 8973 | × | 31 1000 | + | 1211 25 | × | 31 1000 | + | X | × | 31 1000 |
= | 278163 1000 | + | 37541 25000 | + | X | × | 31 1000 |
= | 873952 3125 | + | 31 1000 | X |
873952 3125 | + | 31 1000 | X | = | 4 | X |
31 1000 | X | − | 4 | X | = | - | 873952 3125 |
- | 3969 1000 | X | = | - | 873952 3125 |
873952 3125 | = | 3969 1000 | X |
3969 1000 | X | = | 873952 3125 |
X | = | 873952 3125 | ÷ | 3969 1000 |
= | 873952 3125 | × | 1000 3969 |
= | 873952 25 | × | 8 3969 |
X | = | 6991616 99225 |
X | = | 70.462242 |