| ( | 9219 250 | X | X | + | 38619 1000 | X | + | 6591 5000 | ) | × | 5 | ÷ | 2168142183 1000000000 | = | 423608461 10000000 |
| 方程左边 = | ( | 9219 250 | X | X | + | 38619 1000 | X | + | 6591 5000 | ) | × | 5000000000 2168142183 |
| ( | 9219 250 | X | X | + | 38619 1000 | X | + | 6591 5000 | ) | × | 5000000000 2168142183 | = | 423608461 10000000 |
| 方程左边 = | 9219 250 | X | X | × | 5000000000 2168142183 | + | 38619 1000 | X | × | 5000000000 2168142183 | + | 6591 5000 | × | 5000000000 2168142183 |