| ( | - | 1231 250 | + | 241 200 | ) | ÷ | 3 1000 | = | ( | x | + | 241 200 | ) | ÷ | 1218677 500000000 |
| 方程左边 = | - | 1231 250 | × | 1000 3 | + | 241 200 | × | 1000 3 |
| = | - | 4924 3 | + | 1205 3 |
| = | - | 3719 3 |
| - | 3719 3 | = | ( | x | + | 241 200 | ) | ÷ | 1218677 500000000 |
| 方程右边 = | x | × | 500000000 1218677 | + | 241 200 | × | 500000000 1218677 |