( | 21 2 | + | X | ) | × | 1983 100 | ÷ | 2047 100 | ÷ | 10 | = | 11 10 |
方程左边 = | ( | 21 2 | + | X | ) | × | 1983 20470 |
( | 21 2 | + | X | ) | × | 1983 20470 | = | 11 10 |
方程左边 = | 21 2 | × | 1983 20470 | + | X | × | 1983 20470 |
= | 41643 40940 | + | X | × | 1983 20470 |
41643 40940 | + | 1983 20470 | X | = | 11 10 |
1983 20470 | X | = | 11 10 | - | 41643 40940 |
1983 20470 | X | = | 3391 40940 |
X | = | 3391 40940 | ÷ | 1983 20470 |
= | 3391 40940 | × | 20470 1983 |
= | 3391 2 | × | 1 1983 |
X | = | 3391 3966 |
X | = | 0.855018 |