X | − | 2 100 | X | − | 379 10 | − | 4 100 | X | − | 5 2 | − | 53 1000 | X | = | 917 10 |
方程左边 = | 887 1000 | X | − | 202 5 |
887 1000 | X | − | 202 5 | = | 917 10 |
887 1000 | X | = | 917 10 | + | 202 5 |
887 1000 | X | = | 1321 10 |
X | = | 1321 10 | ÷ | 887 1000 |
= | 1321 10 | × | 1000 887 |
= | 1321 | × | 100 887 |
X | = | 132100 887 |
X | = | 148.928974 |