| ( | - | 353 1000 | − | 193 200 | ) | ÷ | 3 1000 | = | ( | x | − | 193 200 | ) | ÷ | 1218677 500000000 |
| 方程左边 = | - | 353 1000 | × | 1000 3 | − | 193 200 | × | 1000 3 |
| = | - | 353 3 | − | 965 3 |
| = | - | 1318 3 |
| - | 1318 3 | = | ( | x | − | 193 200 | ) | ÷ | 1218677 500000000 |
| 方程右边 = | x | × | 500000000 1218677 | − | 193 200 | × | 500000000 1218677 |