4 5 | + | 1 4 | + | 250 | ÷ | 1650 | + | 50 | ÷ | 130 | + | X | ÷ | 108 | = | 151 50000 | ( | 710 | + | X | ) |
| 方程左边 = | 4 5 | + | 1 4 | + | 5 33 | + | 5 13 | + | X | × | 1 108 |
| = | 13609 8580 | + | 1 108 | X |
13609 8580 | + | 1 108 | X | = | 151 50000 | ( | 710 | + | X | ) |
| 方程右边 = | 151 50000 | × | 710 | + | 151 50000 | X |
| = | 10721 5000 | + | 151 50000 | X |
13609 8580 | + | 1 108 | X | = | 10721 5000 | + | 151 50000 | X |
1 108 | X | − | 151 50000 | X | = | 10721 5000 | − | 13609 8580 |
8423 1350000 | X | = | 10721 5000 | − | 13609 8580 |
8423 1350000 | X | = | 1197059 2145000 |
| X | = | 1197059 2145000 | ÷ | 8423 1350000 |
| = | 1197059 2145000 | × | 1350000 8423 |
| = | 1197059 143 | × | 90 8423 |
| X | = | 107735310 1204489 |
| X | = | 89.444827 |