1115713 5 | + | 31639963 1000 | x | = | 241152 | + | 357358 | + | 38718 5 | x | + | 558720 | + | 182020 | + | 91937 | + | ( | 1115713 5 | + | 31639963 1000 | x | ) | ( | 1 4 | + | 1 20 | ) |
| 方程右边 = | 1431187 | + | 38718 5 | x | + | ( | 1115713 5 | + | 31639963 1000 | x | ) | ( | 1 4 | + | 1 20 | ) |
1115713 5 | + | 31639963 1000 | x | = | 1431187 | + | 38718 5 | x | + | ( | 1115713 5 | + | 31639963 1000 | x | ) | ( | 1 4 | + | 1 20 | ) |
| 方程右边 = | 1431187 | + | 38718 5 | x | + | 1115713 5 | ( | 1 4 | + | 1 20 | ) | + | 31639963 1000 | x | ( | 1 4 | + | 1 20 | ) |
| = | 1431187 | + | 38718 5 | x | + | 1115713 5 | × | 1 4 | + | 1115713 5 | × | 1 20 | + | 31639963 1000 | x | ( | 1 4 | + | 1 20 | ) |
| = | 1431187 | + | 38718 5 | x | + | 1115713 20 | + | 1115713 100 | + | 31639963 1000 | x | ( | 1 4 | + | 1 20 | ) |
| = | 74906489 50 | + | 38718 5 | x | + | 31639963 1000 | x | ( | 1 4 | + | 1 20 | ) |
| = | 74906489 50 | + | 38718 5 | x | + | 31639963 1000 | x | × | 1 4 | + | 31639963 1000 | x | × | 1 20 |
| = | 74906489 50 | + | 38718 5 | x | + | 31639963 4000 | x | + | 31639963 20000 | x |