3042 625 | + | x | × | 33 4000 | + | x | ÷ | 21 20 | × | 5 100 | = | x |
| 方程左边 = | 3042 625 | + | x | × | 33 4000 | + | x | × | 1 21 |
| = | 3042 625 | + | 4693 84000 | x |
3042 625 | + | 4693 84000 | x | = | x |
4693 84000 | x | − | x | = | - | 3042 625 |
| - | 79307 84000 | x | = | - | 3042 625 |
3042 625 | = | 79307 84000 | x |
79307 84000 | x | = | 3042 625 |
| x | = | 3042 625 | ÷ | 79307 84000 |
| = | 3042 625 | × | 84000 79307 |
| = | 3042 5 | × | 672 79307 |
| x | = | 2044224 396535 |
| x | = | 5.155217 |