| ( | 9219 250 | X | X | + | 38619 1000 | X | + | 6591 5000 | ) | × | 5 | ÷ | 704530863 500000000 | = | 5565993941 100000000 |
| 方程左边 = | ( | 9219 250 | X | X | + | 38619 1000 | X | + | 6591 5000 | ) | × | 2500000000 704530863 |
| ( | 9219 250 | X | X | + | 38619 1000 | X | + | 6591 5000 | ) | × | 2500000000 704530863 | = | 5565993941 100000000 |
| 方程左边 = | 9219 250 | X | X | × | 2500000000 704530863 | + | 38619 1000 | X | × | 2500000000 704530863 | + | 6591 5000 | × | 2500000000 704530863 |